Outdoor enthusiasts and tactical users, this Source Tactical canteen is brilliantly designed! The 1-quart capacity gives you plenty of hydration while the collapsible design means it folds flat when empty - perfect for packing in your gear without taking up unnecessary space. The Hi-Flow Storm valve is genius - it's a no-bite push-pull design with an integrated shut-off, so no accidental leaks, and it disassembles easily for thorough cleaning. The angled valve rotates 360 degrees for perfect drinking position, and the 37-inch tube is shorter than most, reducing excess tubing bouncing around. The dirt shield cover protects the mouthpiece from debris when not in use, while the Cool Weave cover insulates the tube and blocks UV light to keep your water cooler longer. The taste-free system uses co-extruded PE film that doesn't impart any plastic flavor to your water (BPA and phthalate-free too). The Widepac closure makes draining and cleaning super easy with its patented slide mechanism. Weighing only 0.15kg, it's lightweight yet durable enough for serious outdoor use. The coyote brown color blends well in outdoor settings, and it's compatible with the Kangaroo Pouch system for easy attachment to vests or packs. Whether you're hiking, camping, or need reliable hydration for work, this canteen system delivers professional performance that's built to last. Seriously, if you want hydration that works as hard as you do, this is the system you need!