The 2XU Aero 5 Inch 2.0 men’s running shorts are made out of a stretchy woven fabric, for a lightweight feel and enhanced air ventilation. Access your phone easily with zip pockets on the back. The 2XU Aero 5 Inch 2.0 features: 5 inch (12.7 cm) inseam, stretch woven short - to enhance ventilation. Flat elastic waistband with internal drawcord - for a custom fit. Back zip pocket - to secure valuables. Reflective logos and trims - for enhanced visibility in low-light conditions. Care instructions: Machine wash in cold water with similar colours Do NOT Tumble dry Hang to dry in a cool shady area away from sun Do not use bleach, fabric softeners or dryer sheets Do not iron