The Summit Stratos is the original 12-Hour Bib™. It includes the one-of-a-kind Elastic Interface® Endurance Anatomic Super Air Chamois that has proven to provide lasting comfort for rides that go all day and into the night. Custom designed to our specifications, the Super Air Chamois offers optimal breathability and superior endurance comfort through the combination of different foams and densities, delivering unparalleled support in key pressure zones. The extremely durable Cerami–K fabric, noted by its unique dotted pattern, provides uninhibited movement, long distance comfort and heat dissipation during maximum exertion. Lightweight mesh and raw-edge uppers give excellent support while also offering an accommodating fit for a variety of torso lengths. Raw-edge leg bands guarantee a slip-free yet non-binding fit. These bibs are the ideal choice for those who want guaranteed comfort. Swiss-milled Cerami–K fabric • 2nd Generation Elastic Interface® Endurance Anatomic Super Air Chamois • Mesh and raw-edge cut uppers • Raw-edge leg bands • New for 2023: Redesigned uppers for better fit and stretch; raw-edge leg bands for better grip and design aesthetic