DEVELOPED WITH YETI'S WORLD CUP AND NATIONAL DOWNHILL TEAM THE LIGHTNING SHORT PROVIDES SUPERIOR PERFORMANCE AND DURABILITY THROUGH INNOVATIVE PATTERN DESIGN AND MATERIAL USAGE. THESE SHORTS ARE FAST, DURABLE AND COMFORTABLE. CONSTRUCTION: RIPSTOP NYLON CHASSIS, POLY-MESH HIP PANELS, DOUBLE STITCHING FOR EXTRA DURABILITY, TAPPERED LEG OPENING, INTAKE AND EXHAUST VENTS, RIBBED SPANDEX STRETCH PANEL, OPTICS POCKETS WITH LENS WIPE, SEAMLESS QUAD PANEL, ADJUSTABLE WAIST SYSTEM