Lightweight micro-polyester with a durable water repellent treatment. Contemporary square cut design. 360 degree reflective graphics and tape, for added visibility. 10cm inside leg, inner bamboo brief, excellent anti bacterial properties that are also breathable and extremely soft and smooth to the touch, lightweight with excellent wicking properties, keeps you feeling fresh during exercise. Bonidex waistband with draw cord for a secure fit. Back zip security pocket. Receive a Free Maxifuel Viper Active Energy Bar when you purchase this item.