The T-shirt is accompanied by the Biker Ref 105923 *References are sold separately COMPOSITION: 81% POLYAMIDE 9% ELASTANE SPORTS T-SHIRT SEMI TRANSPARENT FABRIC AND DECORATIVE PLASTIC APPLIANCE. ADVANTAGES OF POLYAMIDE FABRIC: Quick drying and easy moisture transport. Resistant, high-tech with greater elongation. Adaptable to your body, recovering its original shape every time you use it. Does not shrink or wrinkle. Feeling of softness and freshness to the touch. Bright colors that last over time. Ample air circulation that refreshes your skin. 100% Colombian design and manufacturing.