Royal Robbins Men's Alpine Road Pants 100% Other Fibers Imported Active Fit 6.5 oz. 66% Nylon, 31% Polyester, 3% Spandex UPF 50+, Built for trekking and fit for urban travel: in the slimmer Active Fit with clean style and stretch for durable performance Gusseted crotch and articulated knees for increased range of motion Zippered side utility pocket (cell phone size) and drop-in accessory pocket in hand pocket Security fly and soft interior waistband for added comfort and wicking