"Engineered with UA Storm technology, Under Armour Project Rock Board Shorts for Men repel water while staying breathable, keeping you comfortable in and out of the water. The lightweight stretch-woven fabric features 4-way stretch notched side-vent hem for easy movement in every direction. UPF 50+ sun protection shields against harmful UV rays. The UA Iso-Chill waistband delivers a refreshing cool-to-the-touch feel, while the hydrophobic drawcord ensures a secure fit. Under Armour Project Rock Board Shorts also have open hand pockets and hidden secure, zip back pocket. No liner. 87% polyester/13% elastane. Inseam: 6"". Machine wash. Imported.Manufacturer style #: 1390012. 87% polyester/13% elastane Water-repellent, breathable UA Storm technology 4-way stretch UPF 50+ sun protection UA Iso-Chill waistband Open hand pockets Hidden secure zip back pocket"