Ultralight and breathable materials

so comfort remains at its peak

They come with an internal pocket at the waist

so you can run with confidence in all conditions

suitable for both running

AeroSwift Singlet, Dame, Lt Crimson/Black/Black ekstra15 Ultralight and breathable materialsAeroSwift ADV Running Singlet, Women's, Lt Crimson Black Black Designed for peak performance. Lightweight, breathable and engineered to keep you dry and comfortable so you can perform at your best. TECHNOLOGY & COMFORT Nike Dri FIT ADV technology combines sweat wicking fabric with advanced engineering to ensure optimal moisture management and comfort . Soft seams at the neck and armholes reduce friction and provide a chafe free experience. VENTILATION