Like a thief in the night, this sly speed top slips through the wind, dropping minutes off your time for the bike portion of your tri. With Castelli’s wind tunnel-tested Velocity fabric on the front, and breathable and lightweight Velocity mesh on the back and shoulders, it’s a top that dries quick, fits aero, and cheats the wind at every turn.
- Front fabric is quick-drying polyester and elastane with a breathable mesh on the shoulders and back
- Bottom, torso and neck are lightweight nylon and elastane
- YKK full-length Camlock zipper for easy venting
- Silicone gripper elastic at waist keeps you covered
- Sun protection of UPF 16+
- Fabric is wind tunnel tested to confirm a 3-minute advantage on a 5-hour Ironman bike leg
