ZAMBERLAN TREELOGY GTX RED/YELLOWDESCRIPTION Flexible shoe for treeclimbing work, with an abrasion resistant leather upper worked with Hydrobloc technology and rubber front protection. Sock shaped stretch gaiter to ensure freedom of movement and prevent sawdust from entering the shoes. Treelogy features a patented PULL UP SYSTEM, with a tensile strength of up to 120 kg, for hooking the snap hook while ascending a rope. A TPU shell protects the internal malleolus during rope ascents