Get the cool comfort and breathable style you need with the Nike Flex Vent Max 3. 0 Training Shorts. Dri-FIT wicks sweat to keep you cool and dry. Nike Flex fabric stretches for a snug fit and all-day comfort. Elastic, fold-over waistband for an adjustable fit. Side pockets and a hidden zippered pocket. Standard fit. Hem vents. Machine wash. 100% polyester. Imported.