Footprint insoles Cotton/Bamboo Painkiller Grey Socks Foam Sewn In 6-9 (1 Pair).

BAMBOO CHARCOAL Painkillers take things to the next level with mildew resistant bamboo fabric on the foot area. FP MFG Painkillers socks are embedded with FluidX Foam in the shin and ankle bone areas to protect from shinners… Fluidx is a unique type of memory foam that becomes firm when impacted therefore allowing the socks to be comfortable and form fitting like a normal sock while still being very protective.