TnAction TnaLIFE™ Atmosphere Hi-Rise 5" Short Size: S Color: Electric Purple (BRAND NEW, NEVER WORN OUT) The high-rise bike short, perfected. 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.