Olang Tatra boot is ready to help you battle the elements, featuring weatherproof technology’s and Olang’s uniquely designed spiked sole, also known as folding ice cleats, that are both durable and grippy on snow-covered surfaces. Features: -30C temperature rating Upper: polyester fabric with quilted padding with easy-fit design Two robust zippers with a bellow to stop snow intrusion Lined with OLANTEX® film for breathable insulation BREATHTEX® waterproof membrane Rubber welt with OC System® sole & removable innersole OC System® sole: has 16 stainless steel spikes connected to flexible, and durable polyurethane for extra grip Italian sole with built-in swivelling and folding Oc System® with flow channel Insole with insulating and reflective silver foil