Ilse Jacobsen Hornbæk RUB1 Rubber Boots combine a lace-up, boot-inspired look with waterproof rubber construction for reliable protection in wet conditions. Tall profile, textured oil-resistant sole and cosy textile lining make them suited to rainy commutes and outdoor use. Key attributes: Green | Army green | Rubber | Waterproof upper | Textured, oil-resistant outsole for improved grip | Rubber upper rated to withstand cold temperatures (manufacturer guidance) | Adjustable lacing for a tailored fit | Soft textile lining for added comfort | Pull tab for easier on/off | Knee-high, boot-inspired silhouette | Prominent lace-up front with multiple silver-toned eyelets | Subtle Ilse Jacobsen branding tab at top of shaft | Back pull tab and decorative D-ring at rear | Dimensions & fit: Height (varies by EU size 34–42): 33–37 cm | Insole length (EU 34–42): 22.5–27.6 cm | Calf circumference (varies by size): 37.5–42.5 cm | Loose fit compared to standard shoe sizes — consider sizing down one size. | Composition & care: Upper: 80% natural rubber, 15% white fillers, 5% other | Upper lining: 60% viscose, 40% cotton | Insole: 45% viscose, 35% polyester, 20% polyacrylic | Outsole: EVA | Laces: 100% cotton | Wipe clean with a damp cloth. Treat natural rubber regularly with suitable rubber oil to prevent surface whitening and cracking; follow manufacturer recommendations. Avoid prolonged heat or direct sunlight.