About BN3TH: Add a new pair of underwear to your arsenal that won’t hold you back when you shop at BN3TH. Based in Vancouver, BN3TH is built for anyone with an active lifestyle thanks to a supportive fit and specially engineered base layers made with eco-friendly fabrics. No matter what element you’re in, BN3TH underwear holds up without sacrificing comfort and performance. Discover what the hype is all about when you shop online with BN3TH coupons for their entire selection of boxer briefs, full-length base layers, sleepwear, and more.