10 Fruits for Energy to Beat Fatigue and Boost Vitality 2UNDR 6" Swing Shift Boxer Briefs 2U01BB Too Ballsy (Golf Balls). Swing Shift 6" Boxer Brief The 2UNDR boxer brief provides the best support, comfort and style man has ever experienced for athletic and every day wear. Inspired by the kangaroo pouch, 2UNDR designed their boxers to separate a man's most valuable assets from bodily contact to reduce unwanted skin on skin contact, providing less chafing, more control and an altogether more luxurious feel. Features: Ultra soft & breathable Shrink resistant material Remains soft even after repeated washing 95% Lenzing Modal Beechwood Fiber, 5% Elastane Perfect for active wear or a busy day Size Waist Size Small 28" 30" Medium 32" 34" Large 36" 38" XLarge 40" 42" 2XL 44" 46"