Primal Wear Cycling Shorts Primal Fuel Cycling Shorts. Be proud of your green means of pedal powered transportation when you sport the Primal Fuel Cycling Shorts. Constructed from Primal's PriFlex fabric, you'll revel in the benefits of the spandexpoly blend developed with specific consideration given to muscle compression, elastic recovery, and since this is Primal printability of their signature graphic treatment. Comfort abounds courtesy of the E3 Fino chamois that features multi density foams, 4 way stretch, and anti bacterial Silver providing extra protection that will not break down over time. Additionally, the Cycling Shorts' ergonomic panels, 8 panel design, plus silicone leg grippers ensure superb comfort throughout your stint in the saddle.