Thorlo Crew WX Sock Size:9 0 features a minimally layered

0 features a minimally layered upper with an engineered mesh for enhanced breathability

providing excellent cushioning and enhanced stability

the Mach 4 takes its biggest leap forward

PWRRUN+: Cushioning provides springy energy return and plenty of durability

but it's 10% lighter

Thorlo Crew WX Sock Size:9 0 features a minimally layeredEnjoying active walks on the track, around the neighborhood or out in the countryside resulting in low to moderate stress on the feet. Specifically engineered to deliver protection and comfort for any walker prone to blisters, foot pain, or discomfort. Constructed with THORLON fibers for superior softness, resilience, durability and moisture wicking for drier, better feeling feet. Unique padding specifically designed for walking, clinically show to