For every action there is a reaction. And our Duralite Reaction Boxer Briefs offer the perfect response to all your performance boxer needs. Built to go the distance to keep you feeling fresh and clean. The modern fit and ultra-durable fabric offer stay-put, chafe-free comfort hour after hour, day after day, season after season. Designed for absolute comfort for an active lifestyle, and guaranteed to perform under any conditions. You’ll stay cool, dry and comfortable all day long. Welcome to the most comfortable underwear you’ve ever worn.