Wool Hiking Socks Size:L (9-13) The M-Series Pro 2 is

The M-Series Pro 2 is a unique blend of commercial grade strength and recreational grade portability and affordability

Stiff Performance Stretch - Robust webbing with optimal stretch to allow bending and movement

thanks to the durability

Consistent Bounce Height - If you don't know the bounce height you can't predict where the ball will be

Double-wall vacuum insulation

Wool Hiking Socks Size:L (9-13) The M-Series Pro 2 isBuilt to last with an Infiknit? reinforced heel and toe for guaranteed durability, Stance Hike Socks sport an informed design that targets critical areas along the foot to provide premium support and effectively soften your stride. Fabric content may vary by color. ____________________ Crew Height Merino Wool Blend Medium Cushioning Performance Cushioning Channeled Air Cushioning Boot Protection Performance Arch Support Seamless Toe Closure