The Split Back Button Down is a signature button down designed with two chest pockets, a split back detail and roll tab sleeves in an ombre wash denim that feels as good as it looks. 100% TENCEL™ Lyocell. Size Chest Shoulder to Hem XS 39 1/2" 25" S 38 1/2" 25 5/8" M 40 1/2" 26 1/4" L 42 1/2" 26 7/8" XL 44 1/2" 27 1/2"