Castelli Free Donna Tri Singlet
Free Tri is ideal for any distance or if you're particularly looking for aero fast bike splits. Free features lightweight hydrophobic Instadry Speed fabrics and comfort detailing that you'll appreciate at the 10 hour mark. No-sew construction under arm-pits eliminates common source of chafing.
- Hydrophobic treatment is fast in the swim and doesn't absorb water
- Velocity mesh back gives wind tunnel proven speed on the bike
- GIRO3 arm and back elastic
- Chafe-free underarm construction