The Tna TnaBODY™ Atmosphere Ribbed Hi-Rise 7" Short is a high-waisted seamless, ribbed bike shorts. And more streamlined than ever. These are seamless high-rise bike shorts designed for an extra-smooth silhouette. They're made with TnaBODY™ — a compressive, body-hugging fabric with sleek, seamless comfort. This version has a rib-knit texture. Love bike shorts? Check out more here.