24400500-004 MB MTRACK TUBE RUBBER The Mtrack may visually resemble a rain boot with its rubber construction, but it's equipped for much more. The hiking boot-sneaker hybrid is made with a quick-lacing system and a flexible TPU midsole to guarantee top performance on all terrains. The waterproof membrane and fully sealed seams protect against heavy snow and rain. 100% Waterproof MATERIAL & CARE 50% polyester, 38% PVC, 12% polyurethane; Lining: 89% polyester, 7% nylon, 4% polyurethane; sole: 100% thermoplastic rubber Nylon Don't forget to show your Moon Boot some love every now and then and give them a good cleaning. We recommend following these steps: STEP 1: Use a soft, dry brush to remove dirt STEP 2: Use a soft, damp cloth, mild detergent and water to remove marks STEP 3: Use a soft brush, mild detergent and water to scrub the midsole and outsole STEP 4: Let it dry at room temperature.