Under Armour Halo Grey Stellar Pink White Fat Tire Defender Children’s Sandal Size:12 • Waterproof nylon and EVA child casual boots • Waterproof nylon and EVA shell• Adjustable toggle closure with two points of adjustability for a secure fit• Temperature rated to 35°F 37°C to ensure a warm wearing experience• EVA shell for a lightweight and flexible fit• Dual heel loops for ease of entry• Anti stink lining helps reduce odors• Recycled PET linings• 200g insulation• 400g insulation on footbed• Non marking outsole with extra grip for superior traction• Merrell temperature ratings are based on high activity levels and can be affected by many conditions Oversized openings ensure easy on and off Stretchable spandex upper for a flexible fit basing the design off their mountain bike tires for incredible grip on rough terrain