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.
|Ideal for||Bike triathlon|
A treatment that inhibits bacteria growth and reduces odour.
The Ultraviolet Protection Factor rating indicates how effective a fabric is at blocking out solar ultraviolet radiation.
|15-24 (Blocks ~93% of UVA/UVB)|
How to measure
- Measure fullest circumference, keeping tape up under arms and across shoulder blades.
- Measure at the narrowest circumference of your waist.
- Stand with feet together and measure at fullest circumference.