Snowshoe size is a key factor in getting the right amount of floatation. Generally, the heavier the person or the lighter and drier the snow, the more snowshoe surface area is required. You can choose the most suitable one according to the size & weight guide below: Optimized Weight Range : 14 Inches : 30 - 70 lbs / 14 - 31 kg; 21 Inches : 70 - 150 lbs / 31 - 70 kg; 25 Inches : 120 - 180 lbs / 55 - 82 kg ; 27 Inches : 175 - 225 lbs / 79 - 102 kg; 30 Inches : 180 - 250 lbs / 81 - 114 kg. HARD PACK GRIP TEETH Two sets of reinforced durable metal crampons that ensure traction on icy hard surfaces. ADJUSTABLE BINDINGS Easy ratchet style binding uppers with quick release and buckle secure heel strap for a fully customizable fit. LIGHTWEIGHT Aluminum frame side rails and light weight durable components allow for easy movement that won't slow you down. When you walking with our snowshoes, you will find its special frame design creates the maximum floatation for you; When you take them off, you can keep them in the handy carry bag. Gpeng's snowshoes feature a sturdy aluminum-alloy frame, providing a stable platform. Its high-quality PE decking offers long-lasting usage in extreme weather conditions. We offer a whole outdoor gear together with this snowshoes like pro snowshoeing poles and goggles as well. We prepare different snowshoes sizes for all your family members. The shape frame features a curved rear end, minimizing the dragging effect when walking forward and increasing maneuverability when going backwards. Comes with 5 different sizes, these sturdy and lightweight shoes which are kids friendly, will offer you and your children a safe and pleasant hiking.