Moon Boot's MTrack Polar Nylon is a hiking-boot–sneaker hybrid built for winter conditions, offering a water-repellent membrane and insulated construction for reliable performance in snow and rain. Key attributes: Black | Nylon | Water-repellent membrane | Fully sealed seams | Insulated | Flexible thermoplastic (TPU) midsole | Thermoplastic rubber tread sole for traction | Fast lacing system with tubular laces and toggle adjuster | Drawstring collar with toggle adjuster | PVC heel counter and trim | Rubber toe cap | Slip-on construction with adjustable lacing | Mid-calf shaft | Panelled, padded construction | Logo print | Silver-tone metal eyelets | Dimensions & fit: If you are between sizes, we recommend taking one size up. For example, if you are usually an EU 43.5, choose an EU 44. | Composition & care: Upper: 77% nylon, 23% PVC | Lining: 64% polyester, 36% nylon | Sole: 100% thermoplastic rubber | Brush off dirt; wipe marks with a soft damp cloth and mild detergent; brush midsole and outsole with mild detergent and water; allow to air dry at room temperature; store in original bag or cover.