If you've ever tried to drink from your hydration pack in cold weather and gotten a mouthful of ice, this tube cover is about to change your life! Made from EVA foam with a nylon outer layer, this 90cm long sleeve slips right over your hydration bladder tube to keep your water from freezing in winter conditions. It fits tubes up to 10mm diameter and installs in seconds - just slide it on and you're good to go. But it's not just for cold weather - the protective layer also helps prevent kinks and damage to your drink tube during outdoor activities. Perfect for runners, cyclists, hikers, or anyone who uses a hydration pack regularly. Comes in several colors including black, sand, dark gray, and army green to match your gear. The material is lightweight so it doesn't add bulk, but provides enough insulation to make a real difference when temperatures drop. Whether you're winter cycling, cold-weather running, or just want to protect your hydration system, this simple accessory makes using your water bladder so much more comfortable in challenging conditions. It's one of those cheap upgrades that you'll wonder how you ever managed without!