Ultra-lightweight, durable woven fabric is built for the most intense workouts Built-in knit compression shorts for relentless coverage & support Perforated woven panels on outer shorts for added ventilation 4-way stretch construction moves better in every direction Material wicks sweat & dries really fast Half-back elastic waistband for a secure, comfortable fit Open hand pockets If it says UA Vanish in the name, that means it's one of the brand's fastest-drying materials. These are ultralight, durable, breathable, and dry super-fast to keep you cool. All the motivation you'll need for a decent gym session then.