High-Strength Alloy Structural Steel: Constructed with high-strength alloy structural steel, these tree climbing spikes support up to 350 lbs for secure climbing. ASTM-F887 certified, they are corrosion-resistant, high-strength, and maintain their shape over time. Ideal for outdoor adventures and tree maintenance, they provide stable support for safer and more efficient climbing. Comfortable Wear: Featuring soft EVA padding, these climbing spurs provide exceptional shock absorption and extra leg support for comfortable climbing. The design ensures comfort even during extended use, reducing fatigue and impact while enhancing safety and ease of use. TPU Straps & Nylon Fastener Straps: Equipped with nylon fastener straps on the upper part and durable TPU straps on the lower part, the climbing tree gear combines safety, durability, and secure attachment