Alpinestars Men's MTB Inner Shorts 56%Polyamide 26%Polyester 18%Spandex Main poly-fabric material construction is quick-drying and effectively draws moisture away from skin for comfort and breathability. Compression sport-shaped fit for improved anatomical performance. Incorporating Alpinestars new generation 'EVO' chamois padded liner to prevent chafing, wick away moisture and for added comfort. Boxer style design with supple elasticated waist-band. Alpinestars' snap fastening system allows integration of shorts to other Alpinestars short models. An excellent bottom layer with snap fasteners that fits well underneath any combination of outer cycling gear, the MTB Inner Shorts incorporate EVO chamois seat padding into it anatomic design for added comfort and performance. Main Poly-fabric material construction is quick-drying and effectively draws moisture away from skin Compression sport-shaped fit for improved anatomical performance Incorporating Alpinestars new generation 'Evo' chamois padded liner to prevent chafing, wick away moisture and for added comfort Boxer style design with supple elasticated waist-band Alpinestars' snap fastening system allows integration of shorts to other Alpinestars short models