The Notch Gecko Carbon Fiber Climbers are the Lamborghinis of the tree care industry. The ultra-light carbon fiber shank is ergonomically designed for a comfortable fit all day long and features the latest generation of proprietary fiber lay for maximum strength. The thermo-molded composite upper cuffs provide an impact-resistant and highly adjustable fit, and the quick connect lower straps allow for a quick adjustment that stays tight every time you remove your gaffs. The Notch Gecko Carbon Fiber Climbers weigh a best in class 4.4 lbs. and height is adjustable from 14.75” to 19.6.” Key features include: Optimal Leg Positioning: Offset leg stirrup for placement of foot and arch, Impact-Resistant: Latest generation thermo-molded composite adjustable upper cuffs, Quick connect lower straps with wide Velcro top straps providing a secure and perfect fit with thicker EVA pads featuring extended inner cuff coverage, Inner cuff design reduces moisture while providing cooler, more comfortable use, 2.5" Hot forged steel replaceable gaffs attached with hardened screws and thread locker, Vibram stirrup sole plate for improved traction that protects stirrup & gaff tips from wear. Weight limit 350 lbs (including gear) ASTM F887 Certified