Thank you for viewing. This is Montbell's compact snow spike. It's a simple model that attaches to the arch of your boot with rubber bands. Suitable for low-mountain hiking in winter and walking on snowfields in summer. Lightweight and compact, making it convenient to carry. ※This product is a simple crampon. Do not use it for本格的な雪山登山 (本格的な雪山登山 - full-scale snow mountain climbing). 【Specifications】 ■Item No.: #1129601 ■Product Name: Compact Snow Spike (with storage bag) ■Material: Crampon body / S55C steel, Plate thickness 2.0mm Rubber band / Silicone synthetic rubber, Thickness 2.5mm ■Size: Maximum width 107mm, Claw length 20mm ■Compatible shoe sizes: Free size (21.5～30.0cm) ■Total weight: 230g (including storage bag) ■Made in Korea 〈Condition〉 ※Stored item. ※Unused item. Please understand the condition before purchasing. No. 200990