WORLD RUGBY APPROVED / EVA foam absorbs 12 impacts. 4-way construction stretches up to 4 directions. Sizes: LB, S, M, L, XL, 2XL (UK size) *LB corresponds to XS. Chest circumference: LB/79-84cm, S/91-97cm, M/101-107cm, L/111-117cm, XL/121-127cm, 2XL/127mc+; Material: 100% polyester; Padding: EVA foam, carbon pad *8 pads on both arms, forechest, etc. When washing, please wash by hand. *Please avoid using machine or dryer.