TnAction TnaLIFE™ Atmosphere Hi-Rise 7" Short Size: S Color: Playful Purple (BRAND NEW, NEVER WORN OUT) The high-rise bike short, perfected. A brand favourite perfected season after season, these are high-rise bike shorts with our signature wide waistband for a smooth silhouette. They’re made with TnaLIFE™ — a versatile, body-hugging fabric that’s sweat wicking and cottony soft.