CLASSIC BIKE SHORTS WITH HERITAGE DETAILS. 93% cotton, 7% elastane single jersey Elastic waist Fitted fit Organic cotton Built for biking, made for styling. Quintessential 3-Stripes styling highlights the fitted fit of these adidas cycling-inspired shorts. Organic cotton gives the stretchy material a nice soft feel, perfect for when you're on the move. Our cotton products support sustainable cotton farming. This is part of our ambition to end plastic waste.