Ready for outdoor fun, these durable winter boots feature a gray upper with lime accents and a waterproof/insulated design for cold-weather wear. The flexible durable outsole is perfect for gripping rough terrain. The wide opening closure makes in and out easy as can be. Order one size up for best fit Nylon textile and rubberized PU upper is waterproof, lightweight and flexible Seam-sealed, waterproof membrane construction keeps water and debris out Features a 200g 3M ThinsulateTM thermal insulation layer delivering 360-degree insulation Fleece lining and removable thermal sockliner for an extra layer warmth and comfort Deep lugged TPR rubber outsole built for maximum grip on wet and snowy terrain Double hook and loop straps allow for secure fit and custom adjustability Rubber toe cap adds durability and protection Awarded the Seal of Acceptance from the American Podiatric Medical Association (APMA) Vegan