The Tna TnaCHILL™️ Atmosphere Mid-Rise 7" Short is a mid-rise bike shorts. For cycling (or cycling through take-out options). These are mid-rise bike shorts with our signature wide waistband for a smooth silhouette. They’re made with our TnaCHILL? fabric — a cotton-soft, wear-everyday jersey that feels great against your skin. Love bike shorts? Check out more here. Garment Dye (Gd) Colours: The unique colour of our garment dye is achieved through a special process — instead of dyeing the fabric, we dye the finished garment for a dimensional, washed-down look and soft feel. Results vary from one piece to the next, so yours is truly one-of-a-kind.