The Savanna is a lighter summer sock for hot arid conditions. Given its makeup of 77% polypropylene, 17% nylon, 3% elastic and 3% lycra, the Savanna breaths and cools the foot while wicking 98% of the moisture away from your foot. The Savanna Quarter Height was designed for those safari hunters who want minimal coverage above the ankle. The Savanna Crew Height comes up to mid-calf, providing more coverage than the Quarter height. Made with a built-in arch support, reinforced heels and toes and Blister-Resister Technology, the Savanna provides excellent grip in the footbed, preventing your foot from sliding back and forth, preventing blisters. The Savanna is anti-microbial treated to fight bacteria and odor. Khaki color only with Russell Moccasin-branded toe. Made in the USA from the finest materials available.