Olang Glamour Ice Nero Polyamide & PU upper with extra padding Wool lining, OLANTEX breathable insulating film & BREATHTEX waterproof membrane Italian sole & ALASKA outsole by OC System; equipped with 16 stainless steel pivoting & folding cleats with flow channels for increased grip on ice & snow Grip system: stainless steel studs & framework created with special, flexible PU that is durable under extreme temperatures Mid-sole guarantees impact & compression resistance Extra insole with silver insulating & reflective film Removable insole Lace fastener with sturdy metal eyelets & hooks, robust inner zipper with bellows Approximately comfort rated to -30°C *EU Sizing; refer to the size guide above *Please note: This product does not always prevent slipping on cold, smooth, wet, frozen or snowy slippery surfaces. Always walk carefully. The grips are not designed for indoor use and could damage such surfaces. This product should be used in a responsible and proper manner. It is important to ensure that the grip system is securely attached to the sole at all times.