Livestrong 2011 life tough riding gear version of the vest / riding vest / sleeveless jersey(available Size:S, M, L, Xl, Xxl,XXXL) Please check the size chart and leave us message what size do you prefer when you place order. Thank you very much. Material: 100% Polyester, 20% Lycra (available Size:S, M, L, Xl, Xxl,XXXL) Net Weight: 0.5KG COOLMAX: Quick-Dry Function and Make you Feel More Comfortable