GL for men's Moisturizing Gel Socks are made of Bamboo Charcoal. The Bamboo in the socks contain many pores in it's structure making it excellent for absorbing odor-causing chemicals and controlling temperature. GL for Men's Moisturizing Gel Socks will get rid of cracked, dry, and callused skin caused by everyday exposure to tools, and harsh environment conditions. Number of treatments: 40