Zamberlan Treelogy 1.0 Rr Working Boots - Men's Red/Yellow 47-12. The highlight of the Treelogy is its patented Pull Up System that provides arborists a durable comfortable built-in attachment point with a tensile rating up to 265lbs for ascending trees using single-rope technique (SRT). A TPU shield protects the inside of the ankle for ascending and using spikes while the highly abrasion-resistant leather is treated with Hydrobloc and lined with GORE-TEX for durability and weather-protection in all conditions. The Vibram Pepe outsole with Megagrip ensures maximum grip in challenging conditions while the award-winning Salath midsole system offers unmatched support and flexibility Specifications for Zamberlan Treelogy 1.0 Rr Working Boots - Men's: Manufacturer: Zamberlan Boot Style: Boots Color: Red/Yellow Weight: 495 g Fabric/Material: Nylon Insole Material: Nylon Footwear Upper Fabric/Material: Hydrobloc Features of Zamberlan Treelogy 1.0 Rr Working Boots - Men's Purpose-Built for Arboriculture Specifically designed to meet the unique demands of tree climbing professionals. Patented SRT Pull Up System Enhances safety and control in vertical movement with a tensile rating up to 120kg / 265lbs. The Pull-Up System is built into the Treelogy boot (fully around the upper and through the midsole) for comfortable even distribution of load while climbing. Premium Hydrobloc Suede Upper Durable water-resistant and responsibly sourced (LWG-certified). GORE-TEX Performance Comfort Lining Waterproof and breathable to keep feet dry in all conditions. Vibram Pepe Outsole with Megagrip Exceptional grippy rubber traction on bark branches and uneven surfaces with toe-climbing zone. X Active Fit and Salath Midsole Provides ergonomic support flexibility and long-lasting comfort. Lightweight Design Just 495g per half pair (US size 8) for effortless movement in the canopy. Package Contents: Zamberlan Treelogy 1.0 Rr Working Boots - Men's Zamberlan 5051ZRDM-47-12: Treelogy 1.0 Rr Working Boots - Men's Red/Yellow 47-12