Insulated Hydration Backpack with 3L Water Bladder - 18L Leak-Proof Hiking Daypack, Lightweight Water Backpack for Men & Women, Gear for Trail Running, Cycling, Rave Festivals & Outdoor Sports — Open-Box, 34% Off

❄️ KEEP WATER ICY COLD (4+ HOURS): Don't let the heat stop you. Engineered with a dedicated Thermal Insulation Layer, this pack keeps your water cool for up to 4 hours—essential gear for summer hiking, trail running, or staying hydrated at hot music festivals.

💦 UPGRADED LEAK-PROOF SYSTEM: Say goodbye to wet backs. We reinforced the 3L Water Bladder with heavy-duty sealing and an auto-shutoff bite valve. Rigorously tested to withstand heavy pressure, ensuring a 100% dry and comfortable adventure.

🍃 BPA-FREE & TASTELESS TPU: Hydrate without the plastic aftertaste. Made from premium food-grade TPU material, our reservoir is Odorless and BPA-Free. Pro Tip: Soak the bladder with lemon water before first use for the freshest taste experience.

🎒 18L STORAGE & HELMET NET: More than just water. This 18L Daypack features ample room for clothes, snacks, and an iPad. The unique front Mesh Helmet Holder securely carries your cycling or climbing helmet, freeing up your hands.

🔑 SMART QUICK-ACCESS POCKETS: Keep your valuables secure and within reach. Two zippered waist strap pockets are perfectly sized for your ID cards, credit cards, keys, cash, or energy gels, so you never have to take off your pack to pay or refuel.

🧽 EASY TO FILL & CLEAN: The Extra-Wide 2.2" Opening makes refilling water and adding ice cubes a breeze. The drinking tube and bite valve are fully detachable, allowing for easy cleaning and quick drying to keep your hydration system fresh and hygienic.

🏃‍♂️ BOUNCE-FREE ERGONOMIC FIT: Designed for movement. Breathable air-mesh back padding promotes airflow, while adjustable chest and waist straps ensure a snug, bounce-free fit for men, women, and youth (Chest size: 27"-50").

Gear Up for Your Next Adventure with the TXPEP Insulated Hydration Backpack Whether you're conquering a rugged mountain trail, crushing a long-distance trail run, or dancing through the heat of a summer music festival, staying hydrated is your top priority. The TXPEP 18L Hydration Backpack is engineered to keep you moving fast, staying cool, and worry-free. ❄️ THE INSULATION EDGE: ICY COLD FOR 4+ HOURS Unlike standard nylon packs that let water warm up in minutes, our pack features a specialized Thermal Insulation Compartment with a premium aluminum foil lining. It locks in the temperature, keeping your 3L reservoir icy cold for up to 4 hours. It’s also the perfect "cooler bag" for your energy snacks or lunch! 🎒 SMART 18L STORAGE & CYCLING HELMET NET Ample Capacity: 18L main storage fits extra clothing layers, a first-aid kit, and your iPad. Stowable Helmet Holder: A dedicated mesh net securely carries your bike or climbing helmet when not in use. Quick-Access Pockets: Two zippered waist strap pockets keep your ID, credit cards, keys, and energy gels within reach—no need to take off the pack. 💧 UPGRADED 3L LEAK-PROOF WATER BLADDER We’ve reinforced our hydration system to address the toughest outdoor conditions: High-Flow Bite Valve: Features an auto-shutoff switch to ensure 100% leak-proof performance. Safe Hydration: Made from food-grade TPU material that is 100% BPA-free and odorless. Wide 2.2" Opening: Designed for easy ice filling and effortless cleaning to keep the system fresh and hygienic. 📋 PRODUCT SPECIFICATIONS Material: Water-Resistant Heavy-Duty Nylon Bladder: 3 Liter (100 oz) Food-Grade TPU Fit: Ergonomic Air-Mesh Padding; Adjustable Chest & Waist Straps (27"-50" Chest) Weight: Ultra-lightweight (Approx. 1.5 lbs) 💡 PRO TIPS: ENSURE THE FRESHEST TASTE To enjoy pure, tasteless water from the very first sip, we recommend this simple cleaning step for all new bladders: Fill the bladder with warm water and a tablespoon of baking soda or lemon juice. Soak for 30-60 minutes, then rinse thoroughly. Let it air dry completely before use. OUR COMMITMENT: At TXPEP, we stand by our quality. If you experience any issues with leaking or parts, contact our 24/7 support for a prompt replacement.