Push yourself to new heights with the Castelli® Women's Free Donna Tri Singlet.
- Wind tunnel tested mesh at back for aerodynamics.
- Micro clip hooks secure top during swim and bike.
- Camlock front zipper for venting.
- Chafe-free underarm construction.
- Giro arm and back elastic for a secure fit.
- Instadry Speed fabric is hydrophobic and quick-drying.
- Weight: 71g (small).