2XU Comp Run Singlet SS13: Boasting 2 X Us industry leading SMD fabrics with denier & filament grading technology, this Singlet offers optimum moisture management to keep the wearer as dry as possible. Anatomically zoned engineering delivers breathability & ventilation in regions demanding it most while contrast trims & striking design lines flatter the form. Flatlock stitching Zoned panelling SMD cool SMD silver