The Tna TnaBUTTER™ Atmosphere Hi-Rise 7" Short is a high-waisted bike shorts. Hit the road/the couch. These are high-rise bike shorts with our signature wide waistband for a smooth silhouette. They’re made with our TnaBUTTER™ fabric — a barely-there, buttery-soft fabric that shapes your body and moves with you. Love bike shorts? Check out more here.