Hand-built using natural rubber formulations developed to meet our exacting quality standards, Quatro provides the highest level
in comfort and durability. All Quatro boots are fully clad, UV-resistant natural rubber boot with anti bacterial moisture wicking
lining, 4 mm CR-foam insulation and a 4 mm insulator wool-felt base. Ergonomically designed to support the foot and prevent heel
slip. Podiatrist-inspired Quatro Comfort System Innersole. High abrasion, cupped rubber outsole designed to cushion and spread
load. 100% waterproof hand-laid premium rubber construction. Snake-resistant. Scent-free. Full rubber cladding with expandable side
gusset and adjustable strap. Ergonomically designed to lock in the foot and prevent heel slip. Removable quatro comfort system
innersole. Full 7 mm CR-foam bootie for insulation, rated down to minus 60 deg F. Lined with a brushed poly-fleece comfort facing
cloth. Anti-clogging, tractor-grip cleat design.