I tried them on indoors, but they are new. I will send them in a different KEEN box. HOWSER II MID Howser Two Mid Kids 21cm [Features] Double adjustable hook-and-loop fasteners for easy on and off Eco Anti-Odor for natural odor control Uses 100g of KEEN's unique insulation material 《KEEN.WARM》, which blends polyester with bamboo charcoal -4°F/-20°C compatible, with far-infrared, antibacterial, and deodorizing effects, and moisture absorption, keeping your feet comfortable even in the winter cold Warm fleece lining Can be worn by parents and children together with the adult version [Materials] Lightweight nylon is used for the upper Midsole integrated outsole PU midsole using direct-attach construction, which does not use adhesive, making it difficult for the upper and sole to separate, and providing sustained cushioning with excellent resilience Warm fleece lining The thermal heat shield footbed specifically for winter boots blocks cold air from the ground, keeping the inside of the foot warm and dry [Brand Introduction] KEEN is an outdoor footwear brand based in Portland, Oregon, USA, and is a family-owned business that bases its management on social contribution. Regardless of origin, gender, or generation, we aim for a world where "everyone can enjoy the outdoors anytime and achieve what they want to do," and we propose original and versatile footwear that leads to a better life and outdoor adventures.