The endura clickfast mesh liner is constructed from a lightweight and breathable stretch mesh fabric with rapid wick properties for all day comfort and confidence the clickfasttrade waist studs on the undershort quickly click into the inner waistband of all endura clickfasttrade baggy shorts so they can be worn with your favourite baggies then easily removed and washed for added strength and optimum comfort the endura mesh liner has flatlocked stitching on all seams so you wont be irritat