BN3TH promo codes

3 codes and 7 deals checked at BN3TH checkout by the PickedBox Team. Best right now: 20% off your order.

Lead offerBest offer first · commission does not change the orderPickedBox Team·Last verified October 28, 2026

20% off 20% off your order Verified at the bn3th.com checkout in October 2026 on a single-item guest cart. Code · Worked Oct 28, 2026 · listed since Oct 2026 Show code

9 more BN3TH offers

Best offer first. Commission does not affect the order.

25% off 25% off your order Excludes sale items and 2-packs, and cannot be combined with loyalty points or other discounts. Code · listed since Nov 2026 Show code

20% off 20% off your order Verified at the bn3th.com checkout in October 2026 on a single-item guest cart. Code · Worked Oct 28, 2026 · listed since Oct 2026 Show code

Up to 40% off Up to 40% off in the Last Chance sale No code needed. Prices as marked on select styles; all sale items are final sale. Deal · Worked Oct 11, 2026 · listed since Oct 2026 Get deal

20% off 20% off your first purchase with newsletter signup Sign up for the BN3TH newsletter to get a one-time code for 20% off a first purchase; discount codes do not apply to sale items. Deal · Worked Oct 9, 2026 · listed since Oct 2026 Get deal

20% off 20% off for military, first responders, teachers and students Verify eligibility through ID.me or student verification at checkout; full-price items only, sale items and multi-packs excluded. Deal · Worked Oct 12, 2026 · listed since Oct 2026 Get deal

20% off 20% OFF BN3TH Deals Deal · Worked Oct 10, 2026 · listed since Oct 2026 Get deal

15% off 15% OFF BN3TH Deal · Worked Oct 9, 2026 · listed since Oct 2026 Get deal

$10 off $10 off for a referred friend, $10 credit for you Your referral link gives a friend $10 off their purchase; you get a $10 credit (1,000 points) after they buy. Deal · Worked Oct 10, 2026 · listed since Oct 2026 Get deal

Deal Free shipping on orders of $75 or more Free shipping within North America when the order is $75 or more before taxes and after discounts. Deal · Worked Oct 8, 2026 · listed since Oct 2026 Get deal

BN3TH discount programs

Newsletter signup

Newsletter signup at bn3th.com

BN3TH Rewards (Comfort Club)

Free to join; earn points on purchases and your birthday, with 100 points worth $1 and up to 10,000 points redeemable per order.

BN3TH Rewards (Comfort Club) at bn3th.com

Refer a friend

Your referral link gives a friend $10 off, and you get a $10 credit when they buy.

Refer a friend at bn3th.com

When BN3TH runs sales

A calendar from past years, not a promise. Other clothing stores on the same dates: Clothing promo codes.

When	What usually happens
Black Friday and Cyber Monday (late November)	30-50% off 100+ styles with extra tiered savings on orders of $150, $200 or $400
End of season (late December to January)	Markdowns on seasonal colors and prints
Summer (mid June to July)	Promotional pricing on boxer briefs and bike liner shorts

Expired BN3TH codes

Codes that no longer work, kept with their dates. The code itself opens after the click, and so does BN3TH.

Was $15 off $15 OFF BN3TH Expired code · worked until Oct 28, 2026 Show expired code

Was $20 off $20 off your order Fixed $20 off; Expired code · worked until Oct 1, 2026 Show expired code

Was 10% off 10% off all orders Sitewide 10% off; Expired code · worked until Oct 1, 2026 Show expired code

2 more expired BN3TH codes

Was 15% off 15% off all orders 15% off all orders; Expired code · worked until Oct 7, 2026 Show expired code

Was 15% off 15% off all orders 15% off sitewide; Expired code · worked until Oct 3, 2026 Show expired code

Questions about BN3TH codes

Does BN3TH have a promo code?

PickedBox lists 3 active BN3TH codes: two were checked at the bn3th.com checkout in October 2026 and one is listed by a coupon site but not yet tested. New subscribers also get 20% off a first purchase.

Can I use a BN3TH discount code on sale items?

No. BN3TH says discount codes cannot be applied to items already on sale, and only one code is allowed per purchase.

What is the free shipping minimum at BN3TH?

Shipping is free within North America on orders of $75 or more, counted before taxes and after discount codes.

What is the BN3TH return policy?

Items bought on bn3th.com can be returned within 30 days through the online returns portal, and BN3TH provides a prepaid return label. Sale items are final sale.

Does BN3TH have a rewards program?

Yes. The Comfort Club gives points on purchases and other actions; 100 points equal $1 off, up to 10,000 points per order.

Does BN3TH accept PayPal or debit cards?

The FAQ lists Visa, Mastercard, American Express, Discover, Diners Club, Google Pay and Apple Pay, and says debit cards are not accepted.

BN3TH shipping, returns and payment

Shipping: Free shipping within North America on orders of $75 or more before taxes and after discounts; below that the cost shows at checkout. Orders ship from Riverside, CA: express 2-3 business days, standard 3-7 business days after a pick time of about 2 business days. Checked October 28, 2026.
Returns: 30-day returns and exchanges for purchases made on bn3th.com, started through the online returns portal with a prepaid label. Sale items are final sale, and items bought from other retailers must be returned to that retailer. Checked October 28, 2026.
Payment: Visa, Mastercard, American Express, Discover, Diners Club, Google Pay, Apple Pay and BN3TH digital gift cards. Debit cards are not accepted. Checked October 28, 2026.