SWEAT-WICKING, BREATHABLE AND REVVED UP TO GO. The Nike Dri-FIT Superset Sport Clash Top has breathable fabric with sweat-wicking power to keep you cool and dry when it's time to train.It's made from at least 75% recycled polyester fibres and has a bit of grit with graphics channelled from the sport of motocross.This product is made from at least 75% recycled polyester fibres. festival picks NIKE SIZE CHEST (in.) WAIST (in.) HIPS (in.) XS < 35 < 29 < 35 S 35–37.5 29–32 35–37.5 M 37.5–41 32–35 37.5–41 L 41–44 35–38 41–44 XL 44–48.5 38–43 44–47 XXL 48.5–53.5 43–47.5 47–50.5 XXXL 53.5–58 47.5–52.5 50.5–53.5