The Zoot Ultra Triathlon Aero Shortsleeve Top provides a supportive fit with a comfortable fabric that enhances performance and pushes triathletes to the finish line. ULTRA BIOwrap technology provides compression support on muscles to enhance power and endurance. ULTRAcarbon anti-friction panels reduce chafing and wick moisture, with odour management technology keeping the suit fresh. coldblack technology reflects 80% of UV rays to keep triathletes cool and safe.