Wigwam Merino Wool Comfort Hiker The Wigwam Merino Wool Comfort Hiker, is constructed of Australian Merino wool. The Comfort Hiker features a luxurious softness and provides maximum comfort for any hiker. Made of 65% Merino Wool, 27% Stretch Nylon, and 8% Spandex. Features: Genuine 62/64 Grade Australian Merino Wool Luxurious Softness And Comfort Ideal For Hiking 65% Merino Wool, 27% Stretch Nylon, 8% Spandex