SUGOi Apparel Size Chart High output tri tank for dedicated triathletes combines sophisticated design and premier fabrics for elite performance enhancement. The Power Dri fabric is smooth on the skin and supports the muscles as they move. IceFil panels keep your underarms cooler. Features: - Power Dri fabric for smooth, supportive stretch combined with IceFil panels under arms for cooling - Front zip for extra ventilation on hot rides and runs - Engineered fuel pockets with hydrodynamic construction for low drag in the water - Pro fit - UPF 50+ sun protection