100% Polyester Interlock. Montreal T-shirt. Incorporates breathable fabric at the bottom of the sleeves to optimize breathability and keep the athlete's body dry during sports. Without stitching at the bottom of the sleeves to avoid any rubbing. Junior sizes £21.49 RRP, 4XS, 3XS, 2XS and XS. Senior sizes £23.99 RRP, S, M, L, XL, 2XL and 3XL.