Zoot Women's Ultra Tri Racesuit Coldblack - Sun Reflector. UV Protector. Zoot's dynamic triathlon textile is engineered to reflect sun rays, so even dark colors don't get hot. Dark colors, by nature absorb more visible and invisible light rays (i.e. heat) than lighter colors, making you hotter in the sun. When the sun's shining, coldblack technology is working double-duty to reflect UV rays and heat rays in dark apparel to keep athletes cooler in the hot sun. Coldblack technology keeps the fabric up to 9 degrees F cooler, making dark apparel act like light-colored apparel. ULTRA Tri Carbon Chamois for maximum comfort in the aero position - Antistatic carbon fabric, Antimicrobial, Drainage holes, Breathable perforated foam, 4-way stretch, Gender specific anatomical shape 6" inseam - NEW - Exclusive Italian gripper provides breathable, secure compression to keep leg hem in place Built-in bra features Dynamic X postural support and a separating Cam Lock zipper for easy on-off Four Hip Holster pockets for maximum nutrition storage - 12" Reflective Cam Lock zipper with soft-finish zipper binding