Quick Answer
A fashion or shapewear bundle is two or more pieces sold together for one lower price. Example: a black and nude bodysuit set, or a bodysuit plus high-waist shorts. Bundles work because outfits and basics go together, and they lift your order value. The number one rule for clothing: let shoppers pick the size and color of each item. That single setting lifts sales and cuts wrong-size returns, the top reason apparel comes back.
Our pick for fashion & shapewear bundles
Full disclosure: we build it. Oxify Bundles & Quantity Breaks is made for stores like yours. It does mix-and-match bundles where each item keeps its own size and color, plus fixed sets, BOGO, and free gifts. No code. No revenue fee. It rates 4.9 stars on the Shopify App Store.
1-click Shopify install. Cancel anytime. Keep reading for 12 ideas and pricing.
Key Takeaways
- Bundles are a top fit for fashion and shapewear because pieces go together as sets or looks.
- The number one rule: let each item keep its own size and color (use mix-and-match).
- Best-selling shapewear to bundle: bodysuits, high-waist shaping shorts, and waist cinchers.
- Best bundle sizes are 2 or 3 items. More than four stalls shoppers.
- Discount 10% to 20% for healthy margins, less if your margin is tight.
- Apparel has high returns and wrong size is the top reason, so per-item sizing matters.
- Shopify's free Bundles app does fixed sets, but most apparel stores need an app for mix-and-match sizing.
You've bought a bundle before. A 3-pack of socks. A skincare set. A "complete the look" outfit.
For fashion and shapewear, bundles are a natural fit. People rarely want just one piece. They want the set, the backup color, or the whole outfit.
We build bundle tools for Shopify stores, so this guide skips the hype. You'll get real ideas, honest numbers, and the one fix most stores miss: sizes. Let's go.
What Is a Fashion or Shapewear Bundle?
A bundle is two or more products sold together for one lower price. Shopify calls it a curated set sold as a single item, built to grow basket size.
In fashion, the pieces usually share a job. They build an outfit, a set, or a stock-up pack.
Here are three simple shapewear examples:
- The Classic Duo: one black and one nude shaping bodysuit.
- Sculpt & Smooth: a bodysuit plus high-waist shaping shorts.
- Pick any 3: three seamless thongs, in any size and color.
The shopper buys the whole set in one move. They pay less than buying each piece alone. You earn a bigger order. Everyone wins.
Bundle vs. quantity break
People mix these up. The difference is simple:
- Bundle: different products together (bodysuit + shorts).
- Quantity break: more of the same product (3 of one thong). Learn more in what are quantity breaks.
Bundles build a look. Quantity breaks help people stock up. Many fashion stores use both.
Some brands go all in and sell only sets, never singles. If that's you, read the bundle-only DTC playbook next.
Why Bundles Work So Well for Fashion
Some niches have to force bundles. Fashion does not. The fit is natural. Here's why.
1. Clothes come in sets
A top needs a bottom. Shapewear needs a backup color. Outfits need pieces. Bundles just match how people already shop.
2. Fewer choices, less stress
A new shapewear buyer can feel lost. A ready-made "Starter Set" makes the choice for them. That removes doubt and gets the sale.
3. It builds confidence
When you bundle a bodysuit with the right shorts, you're saying "these work together." Buyers trust that. It feels like advice, not a push.
4. Bigger orders, same ad spend
You already paid to bring the shopper in. A bundle gets more from that visit. It lifts your average order value with no extra ads.
The honest data
You'll see blogs promise "+68% AOV" or "100% more sales." Be careful. Most of those numbers are marketing, copied from blog to blog.
Here's the grounded version. Bundling is one of the most studied ways to grow an order. A Shopify review of bundling points to research showing bundles can lift profit and basket size, and shares stores that get a big share of orders from bundles. The exact lift depends on your products and prices. The only number that matters is the one your store sees after you turn it on.
The big idea
A bundle doesn't find new shoppers. It gets more value from the ones you already have. For fashion, that's easy money left on the table.
Bundle Types That Fit Fashion
Not all bundles are the same. Pick the type that fits your goal. Here are the ones that work for clothing and shapewear, in plain words.
1. The fixed set
A ready-made combo you choose, like "Bodysuit + Shorts." Easy to show. Best for clear pairs that always go together.
2. Mix-and-match (the best one for apparel)
The shopper picks the items, sizes, and colors. "Pick any 3 thongs." This is the most powerful type for clothing, because people need different sizes. More on that below.
3. The multi-pack
More of one basic, like a 3-pack of seamless tanks. Great for restock items. This is really a quantity break, and it pairs well with bundles.
4. Complete-the-look (cross-sell)
Add the piece that finishes the outfit, like the dress that goes over a shaping slip. This is how brands "sell a look" instead of one item.
5. Buy one, get one (BOGO)
"Buy one, get one 50% off." Best for clearing stock or pushing a new color. Strong for a sale weekend.
6. The free gift
"Spend $80, get a free wash bag." A gift nudges shoppers to add one more piece to hit the goal.
Want the gift idea in detail? See how to increase sales with quantity breaks.
6 Shapewear Bundles That Sell
These come from how shapewear shoppers actually buy. Steal them and swap in your own pieces and prices.
| Bundle name | What's inside | Why it sells |
|---|---|---|
| The Classic Duo | Black + nude shaping bodysuit | Every wardrobe needs both |
| Coverage Mix | Thong bodysuit + full-coverage bodysuit | Different outfits, different needs |
| Sculpt Stack | High-waist shaping shorts + waist cincher | Targeted, all-day shaping |
| Big Day Set | Shaping slip + seamless thong + strapless piece | One-stop for a wedding or event |
| New Mom Bundle | Postpartum brief + soft support cami | Gentle comfort for a clear moment |
| Stock-Up 3-Pack | Pick any 3 seamless thongs, your sizes/colors | Restock with zero size risk |
Small add-on idea: offer a wash bag or bra extender as a low-cost extra inside the set. It lifts the value and feels thoughtful, not pushy.
How to pick the right set
Help shoppers choose with confidence. Guide them by:
- Outfit and coverage. A thong style under fitted dresses, full coverage under loose layers.
- Compression level. Light for everyday smoothing, firm for a big event. Say which is which.
- Size per piece. Link a size chart on each item. Shapewear fit is snug, so this matters most.
One more reason sets sell: shapewear is a stock-up buy. Many shoppers like to keep one piece in the wash while another is ready to wear.
6 Fashion & Outfit Bundles That Sell
Beyond shapewear, these bundles work across clothing stores. They either complete a look or remove a worry.
| Bundle name | What's inside | Why it sells |
|---|---|---|
| Complete the Look | Shaping bodysuit + the dress it goes under | Full styled outfit, higher cart |
| Date Night | Going-out top + bottom + shaping piece | Occasion-ready in one buy |
| Capsule Starter | Tee + tank + leggings in matched tones | Mix-and-match basics |
| Seasonal Drop | Summer: bodysuit + cover-up. Winter: thermal + layering shaper | Times to a real need |
| Try-Two Colors | Same bestseller, pick 2 colors | Lowers "which color?" doubt |
| Build Your Set | Pick any 2 to 3 from a basics group | Shopper feels in control |
Notice the pattern? The strongest bundles either complete a look or remove a worry (size, color, or "where do I start?").
The Size Problem (And How to Fix It)
This is the part most guides skip. It's the most important one for clothing.
Here's the trap. Many bundle tools force one size for the whole bundle. That's fine for candles. It's a deal-killer for fashion.
Why? Because real shoppers need different sizes:
- A top and a bottom are often different sizes.
- One piece runs small, another runs large.
- People want to mix colors, not buy two of the same.
- Some are buying one piece for themselves and one as a gift.
If your bundle says "this set is all size M," a size-L shopper just leaves. You lost a sale you almost had.
The hidden returns trap: bracketing
There's a second reason sizes matter so much. Apparel has the highest return rate in retail, around a quarter of orders or more, and wrong size is the number one reason clothes come back, per Shopify's returns research.
Many shoppers now "bracket." They buy two or three sizes on purpose, plan to keep one, and send the rest back. That's expensive for you.
A forced one-size bundle makes this worse. The piece that doesn't fit comes straight back.
The fix: mix-and-match with per-item sizes
Use a bundle where each item has its own size and color picker, and show a size chart for each piece. The shopper builds the set that fits them the first time. That lifts sales and trims wrong-size returns. This one setting is the difference between a bundle that sells and one that sits.
Our app, Oxify, was built with this in mind, so each piece in a mix-and-match bundle keeps its own size and color. Whatever tool you choose, make sure it can do this. For apparel, it's not optional.
How to Price a Fashion Bundle
Two things to decide: how big the discount is, and how to show the saving.
Good news: apparel margins are usually healthy. For most direct-to-consumer clothing brands, list margins run about 55% to 70%. So you have room to give a real deal and still profit.
Shopify's own bundling guide gives a simple rule: if your margin is 50% or higher, discount 10% to 20%. If it's tighter, keep it to 5% to 10%.
| Your margin | Safe bundle discount |
|---|---|
| 40% | 5% to 10% |
| 55% | 10% to 20% |
| 70% | Up to ~30% |
Follow these simple rules:
- Start the deal around 10% to 15%. Less feels pointless. Way more trains people to wait for sales.
- Keep your top discount ~15 points below your margin. Make 60%? Cap the deal near 25% to 30%.
- Remember returns eat margin. Apparel returns are high, so don't price like every order sticks.
- Show the saving two ways. "Save $24" and "25% off." Some shoppers feel dollars, some feel percent.
- Put the bundle near the Buy button. If it's at the bottom of the page, most won't see it.
Need a deeper pricing walk-through? Read Shopify's guide to pricing strategies.
Bundles and Returns: A Word of Caution
Fashion has the highest return rate of any category. Wrong size is the top reason. So bundles need a little care.
Done right, bundles can lower returns:
- Let shoppers pick the exact size for each piece. Fewer wrong sizes come back.
- Add a clear fit note and size chart on every item in the bundle.
- Group pieces that fit alike, so sizing feels predictable.
Done wrong, bundles can raise returns:
- A forced one-size bundle sends back the piece that doesn't fit.
- Bundling a slow seller just to dump it leaves buyers unhappy.
One more must-do: state your return rule clearly. Can shoppers return one piece, or only the whole set? Say it on the bundle page so there are no surprises. For more, Shopify has a solid guide to product bundling.
How to Set Up a Bundle on Shopify
Heads up: Shopify has a free Bundles app for simple fixed sets, but it doesn't handle flexible mix-and-match with per-item sizes well. For apparel, most stores use a bundle app. Here's the quick path.
- Pick the bundle type. Fixed set, or mix-and-match. For apparel, mix-and-match is usually the right call.
- Choose products that belong together. A bodysuit and shorts, or "any 3 thongs."
- Set the discount by your margin. Use the pricing rules above. Keep it below your margin.
- Add size charts and a clear name. Show fit info per item, like "Shaping Bodysuit Starter Set."
- Show it near Add to Cart. Place the bundle high on the product page.
- Turn it on and test. Place a test order. Check each size and color carries all the way to checkout.
That's it. Most setups take under 10 minutes. For a full walk-through of every method, see how to set up quantity breaks on Shopify.
Name and Show Bundles So People Find Them
A great bundle still needs to be found and understood. Two quick wins most stores miss.
Name it like people search
- Use clear, searchable names: "Shaping Bodysuit Starter Set," "Date Night Outfit Bundle."
- Skip vague names like "Bundle 1." Nobody searches that.
- Put all bundles in their own collection so shoppers and Google find them fast.
Show the set, not just the pieces
- Add one photo of the full set styled together, plus a shot of each piece.
- Show the deal both ways: "Save $24" and "25% off."
- Keep it readable on phones. Most fashion shoppers buy on mobile.
Want the full AOV playbook, including placement and urgency? See how to increase sales with quantity breaks.
Mistakes to Avoid
- Forcing one size. The biggest one. Always let each item pick its own size.
- Too many items. Two or three is plenty. Five feels like work.
- Hiding the bundle. If it's buried, it won't sell. Put it up top.
- Discount too steep. A 50% bundle can wipe out profit, and returns make it worse. Keep it sensible.
- Bundling junk. Don't pad a set with a piece nobody wants.
- No size charts. Missing fit info drives the returns you're trying to avoid.
- Set and forget. Check it monthly. Swap in new colors and seasons.
How to Know It's Working
Give it two to four weeks. Then look at four numbers:
- Average order value. Are orders bigger than before? This is the main goal.
- Conversion rate. Are about the same share of visitors still buying? A clear bundle shouldn't scare people off.
- Return rate. Watch it closely for apparel. If returns climb, check your sizing setup first.
- Profit per order. Bigger orders should mean more profit after discounts and returns, not less.
If orders got bigger and returns held steady, your bundle is a win. If not, soften the deal or fix the size options.
Frequently Asked Questions
What is a shapewear bundle?
A shapewear bundle is two or more shapewear pieces sold together for one lower price. Popular sets pair a black and a nude shaping bodysuit, or a thong style with a full-coverage style. The shopper buys the set in one click and saves versus buying each piece alone.
Are shapewear bundles worth it?
Usually yes, if you'd buy more than one piece anyway. A bundle drops the price per item and saves you from choosing each piece one at a time. Shapewear is a stock-up buy, so many shoppers keep one in the wash while another is ready to wear. Just make sure you can pick the size of each piece before you buy.
What are the best-selling shapewear pieces to bundle?
Shaping bodysuits, high-waisted shaping shorts, and waist cinchers are the top sellers, so they make strong bundle anchors. A classic combo is a black plus a nude bodysuit. Another is a thong bodysuit plus a full-coverage one, since shoppers wear different styles under different outfits.
Do bundles work for clothing and fashion stores?
Yes. Fashion is one of the best fits for bundles because outfits and basics naturally go together. Think a top and matching bottoms, a 3-pack of tanks, or a shaping piece plus the dress it goes under. Bundles lift order value and help shoppers buy the full look instead of one item.
How much should I discount a fashion bundle?
For healthy apparel margins, Shopify suggests about a 10% to 20% saving, and 5% to 10% if your margin is tight. A safe rule is to keep your biggest discount about 15 points below your profit margin. If you make 60%, cap the bundle deal near 25% to 30%.
Can shoppers pick different sizes and colors in a bundle?
They should be able to. This is the most important rule for apparel bundles. A top and a bottom are often different sizes, and people want to mix colors. Use a mix-and-match bundle so each item keeps its own size and color picker. A bundle that forces one size for everything will lose sales.
Do bundles increase or reduce returns for apparel?
It depends on the setup. Apparel has high return rates, and wrong size is the top reason. If your bundle lets shoppers pick the exact size for each piece, fewer orders come back. A forced one-size bundle does the opposite. Add a size chart per item and a clear return policy to keep returns low.
How do I add bundles to my Shopify store?
Shopify has a free Bundles app for simple fixed sets, but it doesn't handle flexible mix-and-match with per-item sizes well. For apparel, most stores use a bundle app. Pick the products, set the discount, add size charts, and show the bundle on the product page. Most setups take under 10 minutes. See our setup guide.
What's the difference between a bundle and a quantity break?
A bundle groups different products together, like a bodysuit plus shorts. A quantity break lowers the price when you buy more of the same product, like 3 of one thong. Bundles build a look or a set. Quantity breaks help people stock up. Many stores use both. See what are quantity breaks.
Are bundles or BOGO better for shapewear?
Both work, for different goals. A bundle is best for selling a set or completing a look. BOGO, like buy one get one 50% off, is great for clearing stock or pushing a new color. If you want a higher cart and a styled outfit, start with a bundle.
How many products should be in a bundle?
Two or three items is the sweet spot for fashion. Two feels easy. Three feels like a deal. More than four starts to feel like work and shoppers stall. For build-your-own bundles, let people pick any 2 or 3 from a small group.
What should I name a fashion bundle for SEO?
Use a clear, searchable name that says what's inside and the use, like "Shaping Bodysuit Starter Set" or "Date Night Outfit Bundle." Put bundles in their own collection so shoppers and Google can find them. Avoid vague names like "Bundle 1" that nobody searches for.
Sources & Further Reading
- Shopify: Product Bundling — 5 Strategies & Examples — bundle types, pricing, and store examples
- Shopify: Ecommerce Returns & How to Reduce Them — return rates and why size drives them
- Shopify: Average Order Value (AOV) — what AOV is and how to grow it
- Shopify: Product Bundling Guide — how to build and price bundles
- Bundle Only: The DTC Brand Playbook — how to sell only sets, never singles
- What Are Quantity Breaks? — bundles vs. quantity breaks explained
- How to Increase Sales with Quantity Breaks — the full AOV playbook
- Skincare & Beauty Bundles — bundle ideas for the beauty niche
- Large Catalog Bundles — how to bundle hundreds of products
- Shopify: How to Sell Shapewear Online — starting and growing a shapewear store
- Oxify Bundles & Quantity Breaks — on the Shopify App Store
About the Author
The Oxify Team builds Oxify Bundles & Quantity Breaks, a Shopify app that powers bundles, quantity breaks, BOGO, and free gifts. We build offer tools for Shopify stores, including many in fashion and shapewear, so this guide reflects what we see working in real stores, not theory. Have a question or a bundle idea to share? Reach us through the Shopify App Store listing.