Injinji Ultra Run Crew Socks Size:M Our lightest-weight Merino jersey fabric

Our lightest-weight Merino jersey fabric is perfect for those chilly spring morning runs when your head needs just a little extra warmth

RGB LED for full rainbow spectrum

high-tenacity

[size 4] 6

and the main fabric is a recycled polyester and wool mix with excellent thermal properties and good breathability

Injinji Ultra Run Crew Socks Size:M Our lightest-weight Merino jersey fabricConstructed 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. Features & Benefits: Blister