BN3TH Coupons & Promo Codes

Get 10% OFF Sitewide on all regular priced items at BN3TH! Use coupon code: BR10

2028-10-07

Get 10% OFF on ultra-soft and breathable underwears at BN3TH!

2028-12-08

Underwear as resilient as you are. BN3TH offers 20% off full price purchases for Military, First Responders and Teachers. Thank you for your service!

2025-10-16

The BN3TH Comfort Club Referral Program is here to help you $ave. Refer your friends and get $10 for every purchase! Sign up today to start referring!

2025-10-16

Get $10 off your purchase when you refer a friend. BN3TH promises radically better underwear that eliminates the need to shift or adjust thanks to their MyPakage Pouch Technology™. Curious? Join the BN3TH Comfort Club Loyalty Program and try it yoursel

2025-10-16

Get 15% off your purchase when you join the Comfort Club at BN3TH!

2025-11-08

For a Limited Time Only, Classics Boxer Brief Available Starting at Only $30.00!

2028-04-20

Increased Comfort = Increased Performance. Give your boys the home they deserve with BN3TH’s MyPakage Pouch Technology™. Get 15% off when you sign up for our newsletter!

2025-10-16

Get 15% off your purchase when you join the Comfort Club! BN3TH promises men's underwear that eliminates the need to shift and adjust with their MyPakage Pouch Technology™. Curious? Join the BN3TH Comfort Club Loyalty Program and try our radically bett

2025-10-16

Inhouse Limited Time Deals

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