Comfort and coverage for all the ways you move. Shaped to fit under a shirt, this lightweight hijab has a pinless, over-the-head design that stays put when you're working out. Designed for Running and Training. S/M face opening height: 21.6cm (8.5"):M/L face opening height: 22.2cm (8.75"):Toggle at the back to customize the fit. Soft gathers in the back create room for your bun or ponytail. Reflective details.