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Create accountWelcome to BN3TH [pron. "beneath"]. Our patented MyPackage Underwear Technology™ pouch eliminates the need for shifting or adjusting, keeping your boys in place and chafe free.
We strive to make the most innovative, comfortable and best quality engineered men’s underwear and active apparel - providing uncompromising support for those progressive individuals who fill their lives with the activities and passions they love.
A RADICALLY BETTER RIDE
DESIGNED FOR ULTIMATE COMFORT WHILE MOUNTAIN BIKING
The NEW North Shore Bike Chamois features BN3TH's first of its kind patent-pending (Sea-to-Sky) STS Pad™ and patented MyPakage Pouch Technology™ to support your boys. Everything you love about BN3TH underwear combined with a new world of comfort designed for your ride, plus the permanent silver anti-odor IONIC+™ technology that kills stink before it starts. Make every ride, your best yet & crush the trail, not your boys.
View Full DetailsThe original all black boxer. Classic fit, style, and comfort. Our best selling underwear.
BONUS UPDATE: sizes Large and Extra Large feature a new and improved waistband with a black on black logo'd design. Additional sizes will follow suit in the coming months.
View Full DetailsYour everyday go-to. Sustainable silky soft supportive. These boxer briefs have got you covered. Classic Aloha-Coral-M111026-571
The secret to the most comfortable men's underwear - our MyPakage Pouch Technology™ - no more shifting or adjusting throughout the day! Our printed Classic Boxer Brief is made from Modal. This unique and natural fabric is 50% more absorbent than cotton, extremely breathable, wrinkle and pill resistant – just a hit of spandex allows it to hold its shape all day, as you carry out your days adventures. The seam placement and design also gives you a gentle lift and enhanced shape, so you look and feel great!
A RADICALLY BETTER RIDE
DESIGNED FOR ULTIMATE COMFORT WHILE MOUNTAIN BIKING
The NEW North Shore Bike Chamois features BN3TH's first of its kind patent-pending (Sea-to-Sky) STS Pad™ and patented MyPakage Pouch Technology™ to support your boys. Everything you love about BN3TH underwear combined with a new world of comfort designed for your ride, plus the permanent silver anti-odor IONIC+™ technology that kills stink before it starts. Make every ride, your best yet & crush the trail, not your boys.
View Full Details