The North Face Y Shellista Lace Winter Boot Size 7 The North Face Y Shellista Lace Winter Boot High style and cozy warmth come together in these pull-on winter boots designed for everyday cold-weather wear. Single-pull closure 200 g Heatseeker™ insulation Sole Unit: Lightweight TPR shell and outsole for superior traction and protection from the elements Upper: Waterproof-leather upper Waterproof construction