Ecorox 1.0 Warm is the first in a line-up of next-generation sustainability-focused winter footwear. The Ecorox 1.0 Warm design was influenced by our bestselling kids boots, and inspired by our sustainability mission. Developed from bio-based materials using 33% renewable resources, Ecorox adds a little sustainability in every step, and is a category leader for sustainability development. Ecorox 1.0 Warm is an insulated, lightweight Thermo boot with an effortless on-and-off style that keeps little feet warm, dry, and protected. Comfort rated down to -20, these boots feature a wool-blend lining created for maximum warmth and durability. Tough outsoles with multidirectional lugs deliver traction, shock absorption, and abrasion resistance on snowy roads and slushy sidewalks.