Soft synthetic light upper for best touch control and minimal water absorption. Better fit and comfort. Inner PU lining. TPU firm ground outsole offers plenty of traction and a comfortable fit under the foot. Traditional lace up closure offers a personal fit, allowing you to lace and tighten each part of the boot as needed. INSOLE | Fixed polyester mesh. Good comfort, reduces slip. OUTSOLE | Molded PU with 12 studs. Durable and excellent traction.