Size 4. The North Face Alpenglow Iv Lace Boot in black on black. Easy to pull on and secure during the rush to explore fresh snowfall, these lightweight, flexible winter boots feature warm, removable liners and protective shell bottoms. All measurements are approximate. -Ballistic nylon with leather overlays-Bungee lace shaft and collar for a secure fit and to keep out snow-Cemented and seam-sealed waterproof construction-Lightweight, flexible, waterproof winter boot with an updated protective rubber shell-New Thermalfelt Plus removable liner for superior warmth down to -25°F-New lightweight and flexible TPR shell bottom with a TNF Winter Grip® rubber outsole-Upper| Ballistic nylon upper with leather overlays-Thermafelt Plus removable liner for superior warmth to -25°F/-32°C-Bungee lace and collar for a secure fit and to keep out snow-Sole Unit| Lightweight and flexible