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Marie Claire
Marie Claire
Lifestyle
Layla Al-Ani

Theory promo codes - in August 2026

A female model and a male model wearing tailored suits from Theory in front of a wardrobe filled with more suits. .

FAQs

Does Theory offer free shipping?

Yes, Theory offers free shipping on all orders with no minimum spend. Orders shipped via UPS Ground will arrive within 3-5 business days. UPS 3 Day, expedited shipping, and next-day delivery are available for $13-$25.

How can I get 15% off at Theory?

When you sign up for the Theory newsletter, you’ll instantly receive a 15% off promo code to your inbox to use on your first order. Once you’re registered, you’ll also be the first to know all the latest at Theory.

Can I shop the Theory sale?

Yes, you can get up to 60% off in the end-of-season Theory sale. We’ve seen discounted prices on everything from linen pants and three-button blazers to tees, polo shirts, and jackets.

What is the Theory returns policy?

Theory has a 30-day returns policy in case you’re not 100% satisfied with your order. All items must be returned in their original condition with all tags still attached for you to be eligible for a refund. Please note that final sale items are not eligible for return.

Hints and Tips

15% off first order: Sign up to the Theory email newsletter, and you’ll immediately receive 15% off to redeem on your first order. You’ll also stay in the loop with all of the latest deals, upcoming promotions, and get notified of upcoming new product drops.

15% off student discount: Students can enjoy 15% off their favorite tailored pieces at Theory. Once you’ve verified your student status through Student Beans, simply enter your unique code at the checkout stage to save 15%.

Up to 70% off in the outlet: Take advantage of the Theory outlet, where they’ve been known to offer up to 70% off garments. Find out where your closest outlet is on the Theory site. Our money-saving experts have also noted that you can get even more money off during seasonal periods like the Labor Day Sale, where Theory offered 50-80% off in the outlet too.

Buy preloved clothes: Enjoy Theory clothing for less when you shop the Theory for Good page. Theory for Good is a sustainable scheme where shoppers can sell their preloved clothing and, in turn, purchase clothing at a discounted price. We’ve seen everything from linen cardigans and crewneck sweaters to linen trousers, wool tees, crepe jackets, and more up for grabs.

How to use your Theory promo code:

  1. Choose your ideal Theory promo code from Marie Claire .
  2. Click ‘get discount’ and continue to the Theory website.
  3. Add your desired items to your shopping cart.
  4. Click ‘checkout’ to continue to the website.
  5. You should see a discount code or gift card box.
  6. Copy and paste your Theory coupon code into this box.
  7. Click ‘apply’ and enjoy your skincare for less.

How We Source Our Promotions

At Marie Claire, we have a dedicated team of deal experts, commercial colleagues, and editors who find and negotiate the best sales and deals, as well as produce content aiming to help you shop affordably.

We have a dedicated team of 3 deal experts that are constantly sourcing and testing deals for some of the biggest retailers in fashion, beauty, and beyond to list on our website. They also work with affiliate networks to get a heads-up on future deals and discounts. This means we can update our pages.

Meanwhile, our commercial colleagues are key to keeping good relationships with retailers. Their experience with lifestyle brands helps them to negotiate the best deals and promotions for you.

On the pages themselves, you’ll find carefully researched saving information for all your beauty, lifestyle, and fashion purchases. Our contributing editors have years of experience in the industry and consistently update the page to reflect new ways to save. You’ll find helpful discount FAQs and saving tips which are checked and verified regularly.

What if my promo code doesn’t work?

Our team always tries to make sure any out-of-date sales or incorrect deals are not included on our pages. To do this, we check a few things, including:

  • Trying the deal and checking if they are valid ourselves.
  • Check we don’t have any unique, one-use promotions.
  • Looking at the offer conditions to make sure you’ve got all the information.

However, there are occasions when details change or the sales may expire without us knowing. If this happens, be sure to contact us by emailing [email protected] so we know.

How do we make money?

It’s completely free for customers to use the deals we have above. We’ll get a small percentage of the money spent as a commission from the retailer you shop at. As with most businesses, we do need to make money however this will never impact the price you pay. The brand will give us a small share of the profit for connecting you to them. This helps us keep going whilst saving you more money.

Simply put, the retailer makes a sale, we get a commission, and you get a deal.

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