This clothing run smaller than usual,please choose one size up at least your U.S. normal size. This Lambda sports dust coat is one of the quality products from 4ucycling. It¡¯s made from high quality fabric, which makes the jacket soft, light, quick drying, UV-resistant and windproof. With 3D anatomical design and professionally modeled the jacket is highly functional and nice to look at, also with the air dry mesh material seaming design, the jacket is super breathable, makes you cool all the way. Equipped with pocket on back and reflective stripe, this amazing clothing can provide you both convenience and safety. S M L XL XXL Chest: 41″ 43″ 44″ 46″ 48″ Sleeve: 32″ 33″ 33″ 34″ 34″ Hem: 29″ 30″ 31″ 31″ 32″ Front Length: 24″ 24″ 24″ 25″ 26″ Back Length: 29″ 30″ 31″ 31″ 32″