

COS Coupon
This page lists the currently available COS coupons.
Verified COS Coupon
15% OFFCODEVerified todaySelected items onlyLimited-time offerLast used: Today240 people usedDid this code work?85% success rate
10% OFFCODEVerified recentlyValid sitewideFor new customers onlyLast used: Today133 people usedDid this code work?85% success rate
15% OFFCODEVerified todayValid sitewideLimited-time offerLast used: Today114 people usedDid this code work?85% success rate🔔 Get notified when COS has a sale
20% OFFCODEVerified todayValid sitewideLimited-time offerLast used: Today92 people usedDid this code work?
10% OFFCODEVerified recentlyFor new customers onlyLast used: Today35 people usedDid this code work?
25% OFFCODEVerified todaySelected items onlyLast used: Today8 people usedDid this code work?
25% OFFCODEVerified todaySelected items onlyLast used: 5 days ago5 people usedDid this code work?
15% OFFCODEVerified todayLimited-time offerLast used: Today9 people usedDid this code work?
10% OFFCODEVerified recentlyValid sitewideFor new customers onlyLast used: 4 days ago28 people usedDid this code work?
15% OFFCODEVerified todayFor new customers onlyValid sitewideLast used: Today25 people usedDid this code work?
10% OFFVerified recentlyCode issued upon sign-upLimited-time offerLast used: 4 days ago54 people used
10% OFFVerified recentlyLimited-time offerStudent-exclusive discountLast used: Today19 people used
60% OFFVerified recentlySelected items onlyLimited-time offerLast used: 5 days ago14 people used
10% OFFVerified recentlySelected items only
Free ShippingVerified recentlySelected items onlyLast used: 5 days ago1 person used
New coupons are added as soon as they become available!
🔎 Explore available COS coupons
Expired Promotions
These coupons have expired, but some may still work.
20% OFF (Expired)Full-price items onlyLimited-time offerThis promo code has expired
50% OFF (Expired)Sale items onlyLimited-time offerThis promo code has expired
25% OFF (Expired)Sale items onlyLimited-time offerThis promo code has expired
New coupons are added as soon as they become available!
🔎 Explore available COS coupons
Are these coupons valid? Verified and updated regularly
All coupons on this page are manually verified, and expired codes are clearly marked.
Invalid codes are removed promptly to keep this page accurate. Final availability and discount details are confirmed at checkout.
COS Coupon
A COS coupon may be available through first-order, newsletter or other selected campaigns in the US. The discount amount, eligibility, exclusions and delivery method can change, so check the current verified COS offer and terms before ordering.
A COS promo code may be delivered by email or through another eligible campaign. Product, customer and sale-item eligibility can vary, so review the current terms before using the code.
In addition to COS promo codes, COS may run seasonal sales, mid-season promotions, and other limited-time offers. Eligibility for sale items and combinations with other promotions depends on the terms of the specific COS offer, so compare the current options and final checkout total before ordering.
Why a COS Coupon Doesn’t Work
COS coupon codes may not work due to specific restrictions or conditions.
- COS coupon expired or promotion ended
- Selected products or collections are excluded under the current offer terms
- The code was emailed to you but you are not signed in to your COS account
- The offer cannot be combined with another active promotion
How to Compare COS Coupons and Sale Prices
COS savings can come from coupons, direct markdowns and customer-specific offers with different conditions.
- Compare the current item price with any eligible coupon.
- Check product, customer and minimum-spend requirements for the specific offer.
- Confirm whether a code can be used with an existing sale price under the current terms.
- Use the final checkout total as the comparison point before paying.
Steps to Get a COS Student Discount
COS Student Discount Summary
Students with a valid Student Beans card get 10% off online only at cos.com. The discount applies to full-price and sale items but cannot be combined with other offers.
Steps to Get a COS Student Discount
- Click COS Student Discount Link

If a COS student offer is currently available, follow the student-discount link shown on the official site and complete the verification process required for that campaign.
- Open the COS page on Student Beans

From the COS student discount page, go to the COS page on Student Beans and log in to verify your student card.
- COS Student Verification

Sign in to Student Beans or create an account, then complete the student-status verification requested. Verification can use your institution portal, an accepted academic email, or supporting documents; having an email address alone does not establish eligibility. See Student Beans verification help.
- Generate and apply Student Discounts

After verification, use the current student offer provided by the verification partner. The discount amount and code availability can change, so review the live terms before applying it at COS checkout.
How to Redeem a COS Coupon
To redeem a COS coupon, follow the steps below.

① On the product page, choose an available size if required, then tap “Add to bag”.
② When the confirmation screen appears, select “Go to Shopping Bag” to proceed.

③ In the shopping bag, tap “Got a promotion code?” to expand the coupon section.
④ Enter your coupon and tap “Add” to apply the discount.

Before applying a coupon, review the current order total with no code-based discount applied.
After the coupon is applied, the eligible discount is reflected in the updated final total.
COS Coupon Guide to US Shipping and Returns
Economy shipping costs $5 (4-7 business days) and becomes free on orders over $150 when you sign in or become a member. Standard shipping is $10 (3-5 business days) and Express is $25 (1-2 business days, not offered to Alaska or Hawaii). Collect in Store is free at selected stores.
Your return window depends on the price you paid. Full-price items can be returned within 30 days of the purchase date, while reduced-price items have 14 days from the delivery date. Pieces marked Final Sale cannot be returned, exchanged or credited.
Returning by mail costs $8, deducted from your refund and charged per order. Returning to a COS store in the US is free. There are no online exchanges: send the item back and place a new order, or swap it in store.
COS Coupon for Essential Workers
Essential workers who can verify their employment through Gocertify get 10% off online at cos.com. Once verified, you receive a discount code to enter at checkout.
Like the student offer, this discount works on both full-price and sale items but cannot be combined with other offers, so compare it against any other code before you pay.
COS Coupon FAQ
Does COS offer coupons?
Yes. COS offers 10% off your first order for newsletter sign-ups, a 10% student discount through Student Beans, a 10% essential workers discount, and coupons during selected campaigns. Seasonal sales can also provide additional savings, so compare the current eligible offers before ordering.
What is the best COS coupon available right now?
COS may offer coupons during selected campaigns, alongside seasonal sales and other limited-time promotions. Check the current verified offers and compare the eligible options before ordering.
Why is my COS coupon not working?
A COS coupon may not work due to expiration, product exclusions, or limited-time availability.
Does COS exclude products from coupons?
COS does not publish a general exclusion list. Exclusions depend on each offer: some codes leave out sale items, while the student and essential worker discounts apply to full-price and sale items.
Can I use multiple COS coupons at once?
Combination rules depend on the specific COS promotion. Check the current offer terms and confirm the applied discount in your bag before paying.
Does COS give a discount for signing up for the newsletter?
Yes. Signing up for the COS newsletter gives you 10% off your first order. If the code reaches you by email, sign in to your COS account before entering it, otherwise it will not apply.
Will COS refund the difference if an item goes on sale after I order?
No. COS does not accept price adjustments, online or in store. If you expect a markdown, keep in mind that reduced-price items only have a 14-day return window from delivery.
COS Member, Sale & Product Eligibility Check
COS promotions are often tied to selected campaigns, account or email eligibility and direct seasonal markdowns rather than a permanent public code. Check whether the exact product and sale status qualify, then compare the current item price with any eligible account offer and confirm the final cart total.
COS: compare full-price offers with seasonal markdowns
- New arrivals, selected categories, and sale items can have different promo eligibility.
- Compare newsletter or campaign codes with the current markdown and verify whether discounts can be combined.
- For COS, compare the exact item during seasonal and mid-season sales, because direct markdowns, size availability and coupon eligibility can differ by product.







