The evolution from past incarnations of Ibex much loved cycling shorts, the Trio short improves on a great design with a new, mid weight, and highly tested chamois, a tried and true merino, spandex fabric pairing, spandex keeps things smooth on the seat and a comfortable leg gripper that doesn't pinch or bind. 3 D custom molded foam pad with 10 mm front to 3 mm rear multi density for customized support and long range protection. Inseam: S=9 1/2'', M=10'', L=10 1/2'', XL=11''. Material: Wool, Nylon, Spandex.