From road running to time trials on the track, test your speed limit in these ultralight, 5-inch running shorts. With a supportive inner brief and zipper back pocket Ultra light. Super short. - Made for running, training, and much (much) more, get that faster-than-fast feeling in these 5" lightweight shorts with premium fabrics. The adjustable waistband instantly improves your comfort, while the antimicrobial inner brief treatment keeps you fresh. Supreme comfort - The four-way stretch woven fabric is smooth against the skin, while the supportive inner brief keeps you comfortable even over long distances. A perforated mesh back increases airflow, keeping your temperature regulated even when you're working hard. Zipped back pocket - Designed for (and by) runners who know exactly what they need, when they need it. Like the integrated back pocket with zipper plus a key loop to safely store essentials. Or the PFC-free DWR material that repels rain | On Women's 5" Running Shorts in Black, S