Fully lined with 4mm thick neoprene for even more flexibility

Hand-laid overlays made of natural rubber

They are extremely durable

Estimated max calf circumference 39cm/ 15

Adjustable calf insert widens up to 7 cm

Unisex Arctic Sport Stiefel | Black/Black Vibram® Arctic Grip All Terrain Fully lined with 4mm thickThe Arctic Sport is our high rubber boot for extreme winter weather conditions. These boots provide the ultimate in thermal insulation in extreme cold with their soft fleece lining and 5mm neoprene inner boot. The stretch binding at the cuff ensures that the boot fits snugly against the legs, keeping cold air out and warm air in, while also adapting perfectly to wider calf circumferences. These high quality sporty boots feature a molded EVA sole for