Sorel Yoot Pac Nylon Winter Snow Boots Seam-sealed waterproof construction. Removable 9mm washable felt Inner Boot with Sherpa Pile snow cuff. 2.5mm bonded felt frost plug. Handcrafted waterproof vulcanized rubber with herringbone pattern. Temp rated to -40°C/-40°F Style: NY1962-010 Color: Black US Youth Size 5 (Big Kids) UK 4 EUR 37 Preowned. Good used condition.