Kodiak Girls' Klondike Snow Boot

100% waterproof, polyurethane naturally insulating, injected upper MICHELIN “WIC” premium winter rubber outsole compound Soft and warm 30% wool fibre lining with removable insole Water resistant neoprene cuff-collar with 360° silver reflective trim and toggle closure Comfort rated: -30 DegreeC / -22 DegreeF —— Run one size big in my opinion. labeled size is big kid size 3 but feels more like a big kid size 4.