Under Armour Women's HeatGear Sunblock 50 Pants 89% Polyester/11% Elastane Imported Durable stretch woven fabric delivers superior comfort & breathability 50+ UPF sun protection w/ Skin Care Foundations Seal of Recommendation Material wicks sweat & dries really fast 4-way stretch construction moves better in every direction Knit waistband with drawcord for the perfect stay-put fit