Features: 

• Manganese steel, silicone, thermoplastic elastomer, high quality nylon webbing. 
• It has good extensibility and freezing resistance. It can be used in -40 degree environment. 
• With a variety of outdoor sports shoes, hiking shoes and mountaineering boots, apply ice and grassland environment. 
• Applications: mountaineering, rock climbing, adventure, crossing, snow slip. 

Specifications: 

• Material: Manganese steel silicone 
• Suitable for shoes size: 41-46
• Product size: approx. 240*100*30mm/9.44*3.93*1.18'' 
• Net Weight: approx. 157g