Made from polyester this is no ordinary fleece lining as thermoreg technology actually allows more body heat to dissipate and not become trapped within the garment making it ideal for regulating your body temperature featuring an elasticated trim to the cuffs full body zip and open side pockets youre certainly well looked after with this training top wicks moisture boosts evaporation of sweat quick drying odour control performance seams underarm gusset for added comfor