How to Sell Clothes Online: Increase Sales Without Increasing Ad Spend 

Some e-commerce managers are looking to increase traffic to their site or decrease cart abandonment. Others want to provide a better user experience or improve their branding. But no matter what their immediate goals are, at the end of the day the ultimate goal is still the same: sell clothes and increase sales. And that’s the hard part.

Type “how to sell clothes online” into Google and you’ll get the same answer every time: post more, run more ads, send more emails. That works, up to a point.

However, traffic is also the most expensive lever a fashion e-commerce store has. Because of that, what you really need to do is figure out why people who are already showing up aren’t buying, buying more, or coming back.

In this article, we’ll walk through strategies to sell clothes online more effectively before you touch your media budget, starting with how to actually find out where your growth is stuck.

Know What’s Actually Blocking Your Growth

Revenue can plateau for a lot of reasons, and they don’t all look the same from the outside. As a result, a store losing shoppers at the product page has a different problem than a store losing shoppers at checkout. Even though both show up in the same monthly report as “flat sales.”

So, start by checking where shoppers are dropping off relative to where they should be. Four spots are worth a look first:

• Discovery to product page. Are shoppers finding what they came for, or bouncing before they even see a product?
• Product page to cart. Are they adding items but hesitating to commit? This is usually where size and fit doubt lives.
• Cart to checkout. Are they getting cold feet right before paying, often over shipping cost, payment options, or account creation friction?
• First purchase to second purchase. Are they buying once and never coming back?

Because of this, a conversion problem often gets blamed on traffic quality when it’s actually a confidence problem. A shopper who isn’t sure a size will fit usually just gives up on their purchase altogether.

As a result, that drop-off gets grouped in with “browsers who weren’t serious,” when a real share of them were ready to buy and just didn’t trust the size chart. It doesn’t show up as an error message; instead, it shows up as silence, which is exactly the piece most growth reviews miss.

Give Shoppers Confidence to Buy: The Real Key to Selling More Clothes

Once you know where the leak is, the fix is rarely “more visitors.” Instead, it’s closing the gap between browsing and buying for the traffic you already have, and for apparel specifically, that gap is mostly about sizing.

The number one reason for returns and exchanges in online apparel is incorrect sizing. With that in mind, uncertainty about sizing is just as responsible for carts that never get finished in the first place. Consequently, if shoppers can’t tell how something will fit, a lot of them won’t risk it, no matter how good the product photography is.

Some abandon the cart outright, others buy anyway and return it later. But the fact is, both trace back to the same root cause and the same fix: give shoppers a reliable way to know their size before they ever reach checkout. 

Use a Size Recommendation Tool to Reduce Guesswork

The best way to do that is by adding a size recommendation tool to your store. 

These tools typically work in one of a few ways:

• A short quiz asking about fit preferences and sizes the shopper already owns
• A body measurement input
• A machine learning model that cross-references purchase and return data across thousands of shoppers to predict the best fit for a specific body type in a specific garment.

The more data the tool has access to, the more accurate its predictions become over time.

If you can help shoppers pick out the right size, you address both costs at once: fewer carts abandoned out of doubt, and fewer orders coming back as returns.According to industry benchmarks, retailers that implement size recommendation technology typically see a 15-30% reduction in size-related returns, along with meaningful checkout conversion gains. That’s because shoppers no longer need to order multiple sizes “just in case,” then return whichever ones don’t fit, which also lifts add-to-cart rates.

Curious how these tools evolved from simple size charts into predictive fit engines? Take a closer look at where size recommendation technology is headed.

Increase the Average Order Value to Sell More Clothes Per Visit

Once you give shoppers more confidence to buy, the next step is getting each sale to be worth more. Since confident shoppers don’t feel like they’re taking a risk on a purchase, increasing size and fit confidence will naturally increase your average order value. That said, it’s only one piece of the puzzle — surfacing relevant product recommendations is another way to keep shoppers engaged on your site and browsing items that may interest them.

According to McKinsey & Company, recommendation systems are estimated to drive around 35% of purchases on Amazon. Product recommendation systems generally fall into three types: collaborative filtering suggests items based on what similar shoppers bought; content-based filtering suggests items based on the attributes of what a shopper is already looking at, like color or style; and hybrid systems combine both for more relevant results.

Given that personalized systems consistently outperform generic ones, if you’re going to add a recommendation system to your store, prioritize tools that make personalized recommendations, that way, shoppers will feel like they’re understood. Want more ways to push AOV beyond recommendations? Here are a few more levers worth testing.

Ultimately, the goal isn’t just to sell clothes once per visitor. It’s to make each visit worth more, so the traffic you already have compounds into higher revenue without any extra spend on acquisition.

Related: 5 Ways to Increase Average Order Value in Fashion E-commerce

Make Checkout Easy Enough to Sell Clothes Without Losing the Sale

Checkout is the last stage where shoppers might give up on a purchase they were ready to make. To avoid this, make sure your checkout process is as simple as possible: keep your checkout page clean and don’t ask for any unnecessary information. Beyond that, other ways to optimize checkout are to offer guest checkout and accept multiple payment methods.

Offer Guest Checkout

Not every shopper wants to feel tied to a particular site or store. Since forcing them to create an account is often pressure they don’t want to deal with, it becomes a strong reason to abandon their cart.

According to the Baymard Institute’s research on cart abandonment, the reason, “The site wanted me to create an account” explained 26% of abandoned carts. Because of that, allowing guest checkout is one of the easiest ways to capture those sales.

To act on this, ensure the option of guest checkout is easy to spot. Shoppers should be able to easily identify the option at the beginning of checkout before having to enter any information, use clear and visible microcopy like “Continue as guest.”

Accept Multiple Payment Methods

Accepting multiple payment methods is another way to further reduce friction during checkout. Since many users prefer to log into an account for a preferred payment method they already use, like PayPal, instead of entering their credit card details, offering that option removes one more reason to abandon the purchase.

On your mobile site, make sure to accept mobile payment wallets, like Google Pay and Apple Pay. Not only is seeing these options convenient for shoppers, it also helps them build trust in your store.

Finally, if you operate in different global markets, offering localized payment methods is also a good idea. For example, in Brazil, the Brazilian Central Bank introduced an instant payment system known as Pix, which more than 70% of the population now uses at least once a year, according to Banco Central do Brasil data.

Given that level of adoption, if you sell in Brazil, you most certainly need to offer shoppers the option to pay via Pix, or you’ll be leaving money on the table.

Optimize Your Mobile Store

In 2023, global mobile e-commerce sales reached $2.2 trillion, representing 60% of all e-commerce sales worldwide, according to Statista’s Market Insights. In the US alone, mobile e-commerce sales reached more than $491 billion.

Given those numbers, you can count on at least half of your website traffic coming from mobile devices. This means your ability to sell clothes online now depends as much on your mobile experience as it does on your desktop site.

Because navigating the internet from a desktop versus a mobile device influences user behavior, mobile shoppers tend to be less patient than their desktop counterparts. So, if your store’s mobile experience isn’t meeting shopper expectations, you’re losing out on sales. Plain and simple.

With that in mind, here are some key elements of your mobile site to consider:

• Responsive design: There’s a huge range in screen sizes on mobile devices, so mobile sites need to adapt content in response to screen size to ensure a consistent browsing experience.
• Intuitive navigation: Well-organized menus, along with easy-to-use filter options, ensure users can find exactly what they’re looking for.
• Fast load speed: According to Google’s own research, 53% of mobile sites are abandoned if they take longer than 3 seconds to load — which means every second of delay directly costs you sales.
• Mobile-friendly product displays: Since shoppers need to get a good idea of what clothing looks like on a small screen, prioritize large, swipeable product images that can be browsed easily.
• Simplified checkout: The expectation of fast sites extends to checkout, so accept payment methods like Google Pay and Apple Pay, and minimize the number of steps required as much as possible.

Get these fundamentals right, and your mobile store stops leaking sales it was never actually losing to competitors. Iit just stops losing them to friction.

Keep Shoppers Engaged to Sell Clothes to Them Again

While user engagement is important for your fashion e-commerce store, what we’re talking about here is customer engagement. Because the relationship you nurture with your shoppers is key to increasing customer loyalty, it’s also what encourages repeat purchases.

Keep Shoppers Updated With Newsletters

Sending out a regular newsletter is an important brand marketing exercise, since it’s a regular touchpoint with customers and potential customers that keeps them informed about your store and gives them a reason to visit your website.

Beyond newsletters, it’s also worth finding where your shoppers actually spend time online, whether that’s Instagram, YouTube, or TikTok, and connecting with them on those channels. 

From there, promotions can help you move old or out-of-season stock while also getting shoppers back on your site: once you’ve identified where your customers spend time, you can announce and market those promotions via email, newsletter, social media, or even SMS.

Finally, converting a customer once is great, but creating lifelong shoppers is even better. Because of that, one easy way to nurture customer loyalty in fashion e-commerce is with some kind of customer loyalty program. You can offer a rewards program, cash back, or even discount codes, anything that incentivizes repeat purchases.

Put together, these engagement tactics are what turn a single purchase into a habit — and a habit is what actually lets you sell clothes online at scale, instead of chasing one-time buyers forever. See a deeper breakdown of retention tactics that work specifically for fashion e-commerce.

Learn More: 4 Ways to Keep Your Fashion E-Commerce Shoppers Engaged

How to Sell Clothes at Scale Without Turning More Sales Into More Costs

If increasing costs accompany higher sales, the bottom line won’t change. In fact, if customer acquisition cost, return rate, and support volume all climb in step with sales, you can post a record revenue quarter and still end up less profitable than the year before.

That’s exactly why, to effectively scale your sales, you need solutions that drive sales with minimal or no additional costs.

Apparel carries some of the highest return rates in online retail, and every returned order costs money twice: once in the outbound shipping already paid for, and again in reverse logistics, restocking, and often a support ticket if the shopper is frustrated. None of that shows up on a revenue report, but all of it shows up on a margin report.

So, growing sales while that return rate stays flat just means growing that hidden cost right alongside it.

Because of this, you don’t necessarily need to spend less to acquire customers — what you need is to keep more of what you earn from each one. That shows up in a few places at once:

• Lower CAC pressure, since a shopper who trusts your sizing and comes back doesn’t need to be re-acquired through paid media.
• Fewer returns and exchanges, which is one of the biggest hidden costs in apparel e-commerce and one of the few tied directly to a decision made on your own site.
• Lower reverse logistics and customer service load, since fewer wrong-size orders mean fewer refund requests and fewer “does this run small” tickets pulling your team away from higher-value work.

What Scaling Effectively Actually Means

Effectively scaling your ability to sell clothes online is less about “more traffic, more spend, more orders,” and closer to growing revenue faster than you grow cost and friction. If your store doubles its traffic but also doubles its return rate, then instead of scaling, you’ve just found a more expensive way to stand still.

So, you need to diagnose where shoppers are actually dropping off and address those friction points, which is what allows the traffic you already have to convert and come back.

Once you make sure that servicing more orders doesn’t cost more per order, you’re scaling the parts of the business that compound — and that’s a better use of the next planning cycle than another round of “how do we get more people here.”

Ready to stop losing sales to sizing doubt and checkout friction? See how adding our virtual fitting room with size recommendations to your store can turn more of your existing traffic into paying customers.