BLOCKPROOF SOCKS - Combining natural mohair with Drynamix for any active family member in the home who needs a solution for their sensitive, blister-prone skin Anti-burst performance from natural mohair, soft and durable; with its temperature-regulating hollowfibre structure, keeping feet cool in summer and warm in winter MOISTURE WICKING FIBER - Dynamix keeps moisture away from the skin, and specially designed microfiber ventilation panels keep feet dry Two additional features: seamless toe cap minimizes friction, avoiding rubbing on the top of the foot; high heel tab and extra deep heel pocket prevent socks from slipping in your shoe SHRINK RESISTANT - Mohair fibers are much more shrink resistant than wool, increased durability and its high volume padding ensures comfort for extended workout