New in box. Tried on and returned. Little Kids' size 4, please see designer size chart in last photo. From manufacturer: This waterproof boot takes inspiration from the vibrant, multicolored puffer jackets for a look as retro as it is original. A simple alternative closure and side zipper eases the fit, and its 200g interior insulation give it a temperature rating of up to -25°F. Its non-marking outsole with flexible grip provides traction on wet or even icy surfaces. Rubber sole Temperature rated to -25°F to ensure a warm wearing experience Waterproof nylon upper with M Select DRY to keep feet dry and cozy Alternative closure for easy on/off with medial zipper 200g insulation on vamp and quarter lining 400g insulation on footbed Non-marking outsole with extra grip for superior traction Merrell temperature ratings are approximate based on high activity levels and can be affected by many conditions, including weather, wearer’s activity level, fitness, metabolism, perspiration, circulation, exposure time, clothing and cold sensitivity