Heartbreak Boston Born Multi Hat Color:Multi Color/Graident Wrist-Based Running PowerSee how much

Wrist-Based Running PowerSee how much power you’re applying to the trail or road so you can manage effort and fine-tune training

Featuring a translucent blue BiO-Matter™* frame

improved softness

This product is made with at least 75% recycled polyester fibers

Heel-to-toe drop: 5 mm

Heartbreak Boston Born Multi Hat Color:Multi Color/Graident Wrist-Based Running PowerSee how muchInspired by the raw transformation of metal under intense heat, the Boston Born Multi Hat features a striking color gradient that transitions from cool industrial grey to glowing yellow and molten red, symbolizing the energy and heat generated by a runner in the zone. 90% Nylon, 10% spandex