Features of the Louis Garneau Women's Pro Carbon Top Double back pockets in lightweight mesh offer protection for your essential Items without weighing you down Quick-drying, breathable and chlorine-resistant Addition of carbon fiber helps enhance blood circulation and procures antistatic properties Carbon-X Mesh: Made with carbon fibers, its compressive properties help blood circulation to increase resistance to fatigue Coldblack treatment reflects UV rays for cooling 33 cm zip with inner flap Laser-finished racer back for full range of movement 2 Rear pockets with flap for hydrodynamics Tri-specific seams placement for optimal comfort on swim, bike and run Mini-stitching: Improves stretchability without restricting movement reflective accents Fabric Details 82% Polyester, 13% Spandex, 5% Carbon