2XU Comp Long Sleeve Run Top: Featuring 2 X Us industry leading SMD fabrics with denier & filament grading technology, optimum moisture management is offered to keep the wearer dry & warm. Anatomically zoned engineering delivers breathability & ventilation in regions demanding it most, while contrast trims & striking design lines flatter the form. Essential extras include rear MP3 pouch, MP3 eyelet & reflective prints for 360 visibility. 360 Reflectivity Rear MP3 Pouch With Eyelet Zoned Panelling SMD Cool SMD Silver