Take long runs worry-free, specially designed and engineered to deliver maximum protection and comfort in the critical strike zones for any runner prone to blisters, foot pain or discomfort. Fit & Design: Made with Thorlon fiber for super softness, durability and moisture wicking for drier and cooler feet Cushioning over the toes to help protect against runner’s toe Flat knit instep and cushioning in arch for better fit, more support and less pressure on the feet for a more comfortable run