The Pro Issue short sleeve base layer by Castelli moves the moisture away from your body and helps your race jersey perform. Castelli's 3D mesh fabric creates dead-air space next to your skin, while the polyester capillary action moves sweat away.
- Designed to be worn at 15-25°C
- 100% polyester 3D mesh fabric
- Reduced seaming at shoulders for extra comfort
- Wider collar to fit under aero jerseys
- Flat waist hem to lie flat in shorts
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