This is Salomon's Insulated Hydration Kit. This hydration insulation cover is perfect for activities in cold environments, such as winter trail running and skiing. It uses insulation inside to keep the entire tube warm, preventing freezing due to cold air and the drink from getting too cold. It has a slim shape that fits inside a bag and is compatible with Salomon hydration packs and reservoirs. Lightweight and easy to handle, it's an essential item for long-distance winter trails and mountain runners. The color is cool gray ♪♪ ・Insulation sleeve that covers the entire tube ・Lightweight ・Compact design that doesn't take up much space in the pack ・Compatible with Salomon hydration systems ・Ideal for winter trail running, snow running, and skiing ○Material ・Outer fabric: 100% nylon ・Lining: 100% nylon ・Padding: 100% polyester ◯Size: Approximately 30cm x 16cm (body only) Although it is new, please refrain from purchasing if you are concerned about wrinkles from storage. Thank you very much. ★Click here for other Salomon products ↓ SALOMON Salomon INSULATED HYDRATION KIT Hydration insulation case Insulation case Skiing Snowboarding Mountaineering Trekking Climbing Trail running Trail running gear Running Outdoor