Injinji Crew Ultra Crew Toesock Size:Small (4 - 6.5) and Altra's trusted innovative design

and Altra's trusted innovative design

great GPS accuracy

The insole also helps reduce over-pronation for improved foot health

Go the distance in cushioned support

Injinji Crew Ultra Crew Toesock Size:Small (4 - 6.5) and Altra's trusted innovative designConstructed to provide comfort and support even after miles of wear, the Ultra Run Crew features cushioned terry throughout the foot and toes, to help soften the impact of tough runs and workouts on feet. Each toe is separated, eliminating all skin on skin contact between toes and preventing blisters. The Ultra Run Crew, hitting at mid calf, also features a ribbed knit throughout the leg for a tighter, more ergonomic fit.