Image 1 of 4 Image 2 of 4 Image 3 of 4 Image 4 of 4 Performance Base Layer £30.00 Performance base layers provide a comfortable, locked-in fit at training, or game day. 65% Nylon, 24% Polyester, 11% Elastane. Colour: Select Colour Black Size: Select Size Small 34” Chest Medium 38” Chest Large 42” Chest X Large 46” Chest Quantity: Add To Cart Added! Performance base layers provide a comfortable, locked-in fit at training, or game day. 65% Nylon, 24% Polyester, 11% Elastane.