Louis Garneau Men's Size Chart The Tri Course M-2 is a jersey that's tuned to the needs of the triathlete. The ergonomic fit is designed to follow the contour of your body, with minimal excess fabric to create drag - for a winning combination of comfort and performance whether you're wearing it beneath your wetsuit or on the finishing stretch of the run. It'll also help you keep your cool, even on the hottest days, thanks to coldblack(R) technology and moisture-wicking fabrics. Features: - Jersey Fabric: Grid 70 Air: This lightest woven mesh is super soft and stretchable. 70 g/m^2 - CB SpeedTech: One of the most aerodynamic fabrics developed. Made of a dimpled mesh construction, this fabric is light, breathable and chlorine-resistant - CB M-2 : Developed in collaboration with the Canadian Cycling team, this fabric is THE most aerodynamic you can get - Jersey Fabric Technology: coldblack(R) treatment reflects UV rays for cooling - Jersey Pockets: 2 floating rear pockets with flap to reduce tension and facilitate access when filled - Jersey Visibility Features: Back reflective accents - Jersey Zipper: Full-length zip with inner flap - UPF/SPF 50 Racer Fit Alphamantis Aero Technology