Bestselling Underwear

Discover our most-loved underwear, with thoughtfully selected fabrics, our 3D Patented Pouch, designed to separate and support where it matters.

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51 products
Essentials Boxer Brief: Nocturnal Bloom - Midnight | BN3TH Underwear Essentials Boxer Brief: Nocturnal Bloom - Midnight | BN3TH Underwear
-30%
Essentials Boxer Brief
Nocturnal Bloom - Midnight
Soft Stretch Cotton Blend
All-Day Comfort
$28.00 CAD $19.60 CAD
Pro Ultra Boxer Brief: Overland Trek | BN3TH Underwear Pro Ultra Boxer Brief: Overland Trek | BN3TH Underwear
-30%
Pro Ultra Boxer Brief
Overland Trek
Premium Wicking Polyester
High-Performance Activity
$40.00 CAD $28.00 CAD
Classic Icon Trunk: Purple Potion Classic Icon Trunk: Purple Potion from BN3TH Underwear
-30%
Classic Icon Trunk
Purple Potion
Ultra-Soft TENCEL™ Modal
Premium Everyday Comfort
$36.00 CAD $25.20 CAD