Hanes Men's X-Temp Active Cool Dyed Boxer Briefs 3-Pack 95% Cotton/5% Spandex Imported Hanes boxer briefs with X-Temp technology is designed to adapt to your temperature and activity to keep you cool and dry for all day comfort. Active Cool boxer briefs work with your body temperature for all day comfort. Lightweight, quick-drying fabric wicks away moisture to keep you cool and dry. Leg bands that won't ride up guaranteed. Active Cool supersoft and lightweight stretch cotton moves with you for active workouts.