Size 2 Airy coverage and streamlined storage for running faster and farther. Super-lightweight Swift fabric wicks sweat and dries fast. Lightweight Four-way stretch Sweat-wicking Quick-drying Liner is lightweight, sweat-wicking, and quick-drying with added Lycra® fibre Built-in liner offers extra coverage Connected gel pockets on the waistband gives you flexible storage options Secure back pocket Continuous drawcord