Altra Women's Experience Flow 3 Sea Pine/Ice/Green Milieu Men's Optical heart rate sensors work

Optical heart rate sensors work by using light to measure blood flow in capillaries beneath the skin

A classic hydration waist belt with a modern twist

so a little shower doesn't become a big distraction

G00586-OG-02-GB

S/LAB ULTRA 10 is so lightweight and comfortable you’ll forget it's there

Altra Women's Experience Flow 3 Sea Pine/Ice/Green Milieu Men's Optical heart rate sensors workAL0A85U790Y Experience a new reality in a shoe designed to make road running feel euphoric and effortless. With lightweight and efficient Altra EGO P35 midsole foam, you can hit the road for daily miles or training runs and find your flow state. Its got the Altra Fit, with room for your toes and a secure midfoot for natural movement. A low 4mm drop with rocker shape geometry helps promote natural body alignment and an efficient toe off. With an