ThunderSports by Pure Shortsleeve, Unisex. The Triple Lock Effect creates a second skin effect. A good muscle support improves the effectivity and coordination of the performance. The perfect fit provides a constant muscle temperature. The Triple Lock Effect prevents the cold air to reach its sweated skin. Fabric: 92% PA, 8% Elastane. Available in black and white in sizes XS, S, M, L, XL and XXL.