Excellent used condition, barely worn - just wrinkly from storage Nylon/spandex fabric stretches, wicks sweat and dries fast to keep you cool on the trail Angled side seams and side vents make moving easy Sewn with flat seams to prevent chafing Reflective trim on back helps keep you visible in low light REI is Climate Neutral Certified; as we work to actively reduce our footprint, we measure annual carbon emissions and purchase an equivalent amount of verified carbon credits Contains materials that meet the bluesign® criteria