Royal Robbins Men's Alpine Road Shorts 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 for increased range of motion Zippered side utility pocket - cell phone size Security fly and soft interior for comfort and wicking