TNF Back-to-Berkeley Boots.Using a waterproof HydroSeal membrane, the B2B boots have got winter hikes written all over them. A proper techy boot that looks the job is perhaps all you could want! Underneath is a TNF Winter Grip outsole, which is sure to keep you on your feet when scrambling up some of the trickiest terrain out there and offers maximum support and traction on slick surfaces. On the inside is an OrthoLite ReBound footbed which helps to absorb any impact on the duration of your chosen adventure.These boots have an amazing feature on the sole called IcePick Rubber which reacts to the temperature - the rubber hardens in the cold and softens up in the warm. When on snow and ice, the hardened rubber helps you to work your way through the packed layers, preventing any slips or falls. The B2B boot is packed with technology but looks the absolute part at the same time.Full grain leather upper.HydroSeal waterproof membrane.Lace up.IcePick Rubber.Winter Grip outsole.OrthoLite ReBound footbed.Compression moulded EVA midsole.