Exertec 100 - Tough, lightweight and with 4 way stretch, this is an incredibly comfortable and soft running fabric that won't distract you while running.Durable Fabric - Hard wearing fabric for long-lasting use.Lightweight And Breathability - Great breathability and good air flow keeping your feet dry during training.Foot Stirrups - To keep the trackster in place and stop them riding up.Flat Bonidex Waistband - With shoelace end draw cordWeight - 190g