The Patagonia Happy Hike Studio Pants are built for the 5AM workout before the long haul nonstop to Sydney. Versatile, lightweight technical fabric with 4-way stretch is combined with knitted, stretchy fabric at the waistband and cuffs. Body fabric sheds light moisture and provides 50+ UPF sun protection. Knitted, elasticized waistband and cuffs allow for mobility and comfort, cuffs can be worn down or pushed up for a cool modern look. Body fabric is certified as bluesign® approved.