Louis Garneau Women's Pro Carbon Sleeveless Tri Top Lycra^Mesh^Nylon^Polyester^Spandex Imported CB Carbon Slick fabric: Quick-drying, breathable and chlorine resistant. The addition of carbon fiber helps enhance blood circulation and procures antistatic and antibacterial properties. Carbon X-Mesh fabric: Made with carbon fibers, its compressive properties help blood circulation to increase resistance to fatigue. 13" zip with inner flap Laser-finished armholes for optimal aerodynamics 2 rear pockets with flap for hydrodynamics