Womens active tri singlet the 2xu active tri singlet is part of the 2xu active range of products created with core fabrics to provide the ultimate comfort for almost any activity sbr lite fabric with high fil mesh this high filament nylon fabric made for triathlon gives the user quick drying lightweight moisture wicking fabrics with aerated mesh for increased ventilation flatlock stitching amp up the comfort and never worry about chafing 2 rear pockets keep fuel and other essentials secur