Form-fitting fit that's close to the skin, but not too tight UA Storm technology repels water without compromising breathability Sturdy, light, stretch woven fabric is smooth and comfortable Four-way stretch fabric allows for greater freedom of movement in every direction Soft knit waistband with an interior drawstring for a snug fit Open side pockets with an inner pocket on the right for your phone The clue's in the name for this pair of trousers. Designed to see you through your toughest workouts (think wet, windy mornings where the sun doesn't rise until gone eight), Under Armour know what you want from your gym kit. Take their Storm Run trousers for instance. Built with four-way stretch, the pair are imbued with the label's signature Storm technology (meaning that they efficiently repel water) and packed with moisture-wicking properties. They're your perfect workout companion, day or night.