Foundation Bike Boxer Brief (Men's) back to school Jetboil's proprietary regulator technology offers

Jetboil's proprietary regulator technology offers incremental heat adjustments from light simmer to full boil

Durable forged A380 aluminum platform withstands the toughest impacts

Available Grip Diameters 30 mm

Its lightness and relaxed-fit enhance your ability to move in nature in changeable conditions

Foundation Bike Boxer Brief (Men's) back to school Jetboil's proprietary regulator technology offersA slim, padded bike boxer brief, designed to cushion under casual clothes or baggies for quick comfort wherever the day takes you. A front cut away keeps things cool by relieving heat build up around sensitive areas. This is the new go to hidden layer suited to getting to work, bikepacking trips, and any ride that ends at a brewery. Stay loose. Stay cool. This is the foundation we build on. Features Ergonomic padded boxer brief Front cut out for