Castelli Women's Free Tri Singlet - Lightweight Cycling Jersey for Triathlon & Training - Perfect for Road Biking, Racing & Outdoor Sports

SpeedFreak ventilated race fabric on front, Velocity Mesh back gives wind-tunnel-proven speed on the bike, SnapLock fastener at lower back to clip to Free W Tri Short to prevent riding up during swim or bike leg, YKK Camlock zipper, FreeAero 2 hydro- and aero-optimized pockets, Soft-finish armholes to reduce chafing