The DaKine Syncline shorts are constructed of a 4-way stretch double-knit fabric. It is comfortable, tough, durable and lightweight. Dakine incorporates an internally adjustable waistband. It also adds belt loops to dial in the fit. Ventilated mesh lining, snap closure, zippered hand pockets and leg vents, a heavyweight rib knit back stretch panel, side waist tab adjustments, polyester birdseye waistband, and a crotch gusset for an increased range of motion - are just few special features to add. Material: Polyester.