Ships from HongKong.After the tail up fitting hip increased sitting comfort, 68 side holes, 1 middle keypunch increase between riding trousers and a cushion permeability, and won't affect sweating brings to the body not comfortable. Ultra light weight. Integrated molding, streamlined engineering design fit the body structure. Engineering plastic toughness of high quality, full range of air. In the control design to the structure of human movement with the industrial design, to protect the body of the perineal nerve group. Four styles of spider cushion, carbon fiber texture, cool, plain looking, more durable.