The North Face Chilkat - Boys' Toddler The North Face Chilkat provides excellent protection from wintry conditions with Heatseeker® insulation and a flexible, toddler-friendly construction. Waterproof split suede upper with cemented and seam-sealed waterproof construction. 100g Heatseeker® insulation keeps in the heat when the temperatures drop. Dual hook and loop closure system for easy on/off. Durable TPR shelf and outsole for ultimate winter protection with improved flexibility to promote walkability.