88% Polyester / 12% Spandex . UPF 50+ fabrication protects skin during outdoor activity by blocking harmful UVA and UVB, delivers a relaxed fit for all-day comfort . Lightweight, breathable, moisture-wicking fabric keeps you dry and cool feeling . Elastic waistband with internal drawcord for a snug, adjustable fit . On-seam pockets for storage . Slight tapered leg for a slimmer fit, perfect for yoga, running, outdoor activities, golf, workout, jogging, walking, lounging, gym fitness, casual use, etc.