Castelli Women's Free Donna Tri TopWith hydrophobic treatment and chafe-free construction, the Free Donna Tri Top will become your next go-to race shirt.
Hydrophobic treatment is fast in the swim and doesn't absorb water.
Velocity mesh back gives wind tunnel proven speed on the bike.
Speed Hooks keep top locked down during swim and bike legs.
YKK® Camlock front zipper.
GIRO arm and back elastic.
Chafe-free underarm construction.
Weight: 42 grams (small).