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COS Coupons in September 2026

Save today using our selected COS promo codes

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How good is today's biggest offer?

Comparing the best code on this page against our internal data of 6 recent COS coupons:

15%

Typical discount

Good time to buy

You're getting a discount we often see here.

About COS

For those who are looking for a minimalist fashion brand, we highly recommend giving COS a browse. Their timeless silhouettes and tailoring make them valuable for those who want quality clothing. From tailored essentials to statement pieces, their clothing is something we consider to be fairly priced. Just last September, we had the chance to shop their Labor Day Sale, which gave shoppers 25% off sitewide.

To know more about them or for help with your orders, you can call them at 1-855-842-1818. They are available Monday to Sunday, 9 a.m. to 9 p.m. EST.

9 active offers1 offer added this month
Best Offer
Verified
15% OFF

15% Off Your Order

Ends tomorrow
Verified
15% OFF

15% Off Sitewide

Ends in 4 days
Verified
15% OFF

Get 15% Off Everything

Ends in 4 days
Verified
10% OFF

10% Off Select Items

All year round
Verified
10% OFF

Get 10% Off Sitewide

Ends in 3 days
10% OFF

Save 10% on First Full-Price Order with Subscription

10% OFF

10% Off First Order with Email & Text Signup

All year round
FREE SHIPPING

Free Economy Shipping on US Orders over $150

All year round
OVER $100

Free Shipping on Orders $100 or More

Frequently asked questions about COS

About COS

COS, short for Collection of Style, was launched by the H&M group 15 years ago to bring effortless, minimal fashion to men, women, and kids. This contemporary brand focuses on luxury design, timeless details, and high-quality craftsmanship with an emphasis on sustainability.

COS's collection includes chic dresses, sweaters, blazers, and pants for women, and stylish tees, denim, suits, and sweaters for men.

Their range also features fashionable accessories like bags, shoes, and jewelry, crafted to last beyond the season by blending traditional methods with innovative techniques.

The brand prioritizes everyday essentials and key pieces that elevate your wardrobe, saving you time and money. With seasonal sales and exclusive discounts, COS offers high-end clothing at accessible prices. Take advantage of COS promo codes and expert savings tips to update your wardrobe without breaking the bank.

For customer service, COS provides support through their website and by phone at +1 855 842 1818, toll-free. Their team is ready to assist with any inquiries or issues related to orders and products. Discover something everyone will love at COS!

More ways to save

Shop now, buy later

Shopping at COS is easier with Klarna, allowing you to split payments into four installments over six weeks. Pay just 25% upfront with any credit or debit card, and the rest in three equal parts every two weeks, free of fees if paid on time. Klarna doesn’t impact your credit score, making it risk-free. Ideal for managing budgets and shopping flexibility, Klarna ensures a seamless experience without additional costs. Experience stress-free shopping and manage expenses effortlessly with Klarna at COS.

Free and easy returns

COS offers a hassle-free return policy to ensure your satisfaction. If you're not completely happy with your purchase, you can return the item for free within 14 days. Simply use the prepaid return label provided with your shipment, or contact COS customer service for assistance. Shop with confidence, knowing you can effortlessly return any items that don't meet your expectations.

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