Size: Small=S(US 4),Medium=M(US 6),Large=L(US 8),X-Large=XL(US 10),XX-Large=XXL(US 12),XXX-Large=XXXL(US 14),This size is about 1 or 2 size smaller than US standard size,before order, please refer to the left size details(not the amazon size chart),when you choose your size, you had better choose the bigger size. Thank you. Material: Cotton/SpandexBreathable and soft fabric make you comfortable and warm. Features: Hole, Ripped, Short Sleeves, Two Pieces Outfits, Drawstring, Pullover Hoodies, Long Pants, Solid Casual Sweatsuits. Include: 2 pieces tracksuit sweatsuit set including a matching a same color sweatpants that make a beauty of coordination which is on trend. Occasion: Casual daily wear, Workout, Club, Leisure wear, Sport, Exercise, Fitness, Running, Jogging, Outdoor, Lounge wear.