







Stop settling for mediocre hydration. The Waterflow Izotube is a high-performance hydration engine engineered for athletes who push boundaries—from high-altitude thru-hikers to competitive ultra-runners. Unlike standard reservoirs made from flimsy PEVA, the Izotube is forged from heavy-duty, medical-grade TPU. This isn't just about durability; it’s about providing a BPA-free, odorless experience that ensures your water tastes like water, not plastic, even at the end of a grueling trek.
Temperature control is where the Izotube truly dominates. Every system comes standard with a pro-grade, neoprene-insulated drink tube. This thermal sleeve acts as a climate shield, preventing your water from freezing in sub-zero alpine conditions and keeping it refreshingly cool under the blistering summer sun. Combined with a rugged 45° ergonomic bite valve featuring a dedicated dust cover and integrated shut-off switch, you get a leak-proof, high-flow hydration experience in any environment.
The "sloshing" effect is a thing of the past. Our innovative internal baffle system acts as a structural anchor, forcing the reservoir to maintain a low-profile, flat shape even when filled to capacity. This slim silhouette ensures optimal weight distribution and a perfect fit inside your pack, preventing the awkward "bulge" common with cheaper bladders. Plus, the extra-wide top opening with a dual-direction slider lock makes refilling at mountain streams or cleaning after a weekend trip faster than ever.
Engineered for the long haul, the Waterflow Izotube utilizes advanced RF-welded seams for 100% leak-proof reliability under extreme pressure. The quick-release auto-lock connector allows you to snap the tube off for easy cleaning without a single drop escaping the reservoir. Treated with a specialized antibacterial lining to inhibit biofilm growth, this system is as easy to maintain as it is to use. Whether you’re training for a triathlon or summiting a peak, don’t just carry water—control it.
To ensure the maximum lifespan and safety of your Waterflow Izotube, clean it thoroughly with mild detergent after every adventure and allow it to air dry completely before storage to prevent moisture buildup. Use cooled boiled water for rinsing to maintain the integrity of the antibacterial lining. For peak performance, operate within the recommended temperature range of -4°F to 122°F, and strictly avoid filling the reservoir with hot liquids, carbonated beverages, alcohol, or acidic fluids, as these can damage the specialized TPU material and RF-welded seams.
Specifications
| Characteristic | Izotube 2.0 | Izotube 3.0 |
|---|---|---|
| Capacity (EU) | 2.0 L | 3.0 L |
| Capacity (US) | 67.6 fl oz | 101.4 fl oz |
| Weight (EU) | 166 g | 184 g |
| Weight (US) | 5.85 oz | 6.49 oz |
| Dimensions (EU) | 37 × 17 cm | 47 × 17 cm |
| Dimensions (US) | 14.6 × 6.7 in | 18.5 × 6.7 in |
| Tube Dimensions (EU) | ∅1 × 100 cm | |
| Tube Dimensions (US) | ∅0.4 × 39.4 in | |
| Material | Premium Food-Grade TPU (BPA-Free / Odorless) | |
| Interior Surface | Smooth Anti-Bacterial Biofilm Resistance | |
| Tube Insulation | Waterproof Neoprene Thermal Sleeve | |
| Seam Technology | RF-Welded High-Elasticity Double Seams | |
| Valve Type | 45° Ergonomic Bite Valve with On/Off Lock | |
| Valve Protection | Tethered Protective Dust Cap | |
| Connection System | Quick-Release Auto-Lock Connector (Leak-Proof) | |
| Closure System | Wide-Mouth Dual-Direction Slider Lock | |
| Pack Integration | Integrated Hanger Hole in Slider Lock | |
| Liquid Tracking | Graduated Measurement Markings | |
| Internal Structure | Vertical Low-Profile Stability Baffle | |
| Temperature (EU) | -20°C to +50°C | |
| Temperature (US) | -4°F to 122°F | |
| Best Use | Hiking, Cycling, Adventure Racing, Overlanding | |
| Product Type | Insulated High-Performance Hydration Reservoir | |
Features
- Medical-Grade TPU: Stronger, safer, and 100% odor-free hydration
- Thermal Neoprene Sleeve: Climate-shield tech for extreme heat and cold
- Low-Profile Internal Baffle: Eliminates sloshing and prevents pack bulging
- Tactical 45° Bite Valve: Ergonomic high-flow design with dust cover
- Wide-Mouth Slider Closure: For lightning-fast refilling and easy cleaning
- RF-Welded Dual Seams: Engineered to withstand maximum compression
- Quick-Release Auto-Lock: Detach the tube instantly without leaks
- Antibacterial Treatment: Keeps internal surfaces fresh and prevents buildup
Stop settling for mediocre hydration. The Waterflow Izotube is a high-performance hydration engine engineered for athletes who push boundaries—from high-altitude thru-hikers to competitive ultra-runners. Unlike standard reservoirs made from flimsy PEVA, the Izotube is forged from heavy-duty, medical-grade TPU. This isn't just about durability; it’s about providing a BPA-free, odorless experience that ensures your water tastes like water, not plastic, even at the end of a grueling trek.
Temperature control is where the Izotube truly dominates. Every system comes standard with a pro-grade, neoprene-insulated drink tube. This thermal sleeve acts as a climate shield, preventing your water from freezing in sub-zero alpine conditions and keeping it refreshingly cool under the blistering summer sun. Combined with a rugged 45° ergonomic bite valve featuring a dedicated dust cover and integrated shut-off switch, you get a leak-proof, high-flow hydration experience in any environment.
The "sloshing" effect is a thing of the past. Our innovative internal baffle system acts as a structural anchor, forcing the reservoir to maintain a low-profile, flat shape even when filled to capacity. This slim silhouette ensures optimal weight distribution and a perfect fit inside your pack, preventing the awkward "bulge" common with cheaper bladders. Plus, the extra-wide top opening with a dual-direction slider lock makes refilling at mountain streams or cleaning after a weekend trip faster than ever.
Engineered for the long haul, the Waterflow Izotube utilizes advanced RF-welded seams for 100% leak-proof reliability under extreme pressure. The quick-release auto-lock connector allows you to snap the tube off for easy cleaning without a single drop escaping the reservoir. Treated with a specialized antibacterial lining to inhibit biofilm growth, this system is as easy to maintain as it is to use. Whether you’re training for a triathlon or summiting a peak, don’t just carry water—control it.
To ensure the maximum lifespan and safety of your Waterflow Izotube, clean it thoroughly with mild detergent after every adventure and allow it to air dry completely before storage to prevent moisture buildup. Use cooled boiled water for rinsing to maintain the integrity of the antibacterial lining. For peak performance, operate within the recommended temperature range of -4°F to 122°F, and strictly avoid filling the reservoir with hot liquids, carbonated beverages, alcohol, or acidic fluids, as these can damage the specialized TPU material and RF-welded seams.
Specifications
| Characteristic | Izotube 2.0 | Izotube 3.0 |
|---|---|---|
| Capacity (EU) | 2.0 L | 3.0 L |
| Capacity (US) | 67.6 fl oz | 101.4 fl oz |
| Weight (EU) | 166 g | 184 g |
| Weight (US) | 5.85 oz | 6.49 oz |
| Dimensions (EU) | 37 × 17 cm | 47 × 17 cm |
| Dimensions (US) | 14.6 × 6.7 in | 18.5 × 6.7 in |
| Tube Dimensions (EU) | ∅1 × 100 cm | |
| Tube Dimensions (US) | ∅0.4 × 39.4 in | |
| Material | Premium Food-Grade TPU (BPA-Free / Odorless) | |
| Interior Surface | Smooth Anti-Bacterial Biofilm Resistance | |
| Tube Insulation | Waterproof Neoprene Thermal Sleeve | |
| Seam Technology | RF-Welded High-Elasticity Double Seams | |
| Valve Type | 45° Ergonomic Bite Valve with On/Off Lock | |
| Valve Protection | Tethered Protective Dust Cap | |
| Connection System | Quick-Release Auto-Lock Connector (Leak-Proof) | |
| Closure System | Wide-Mouth Dual-Direction Slider Lock | |
| Pack Integration | Integrated Hanger Hole in Slider Lock | |
| Liquid Tracking | Graduated Measurement Markings | |
| Internal Structure | Vertical Low-Profile Stability Baffle | |
| Temperature (EU) | -20°C to +50°C | |
| Temperature (US) | -4°F to 122°F | |
| Best Use | Hiking, Cycling, Adventure Racing, Overlanding | |
| Product Type | Insulated High-Performance Hydration Reservoir | |
Features
- Medical-Grade TPU: Stronger, safer, and 100% odor-free hydration
- Thermal Neoprene Sleeve: Climate-shield tech for extreme heat and cold
- Low-Profile Internal Baffle: Eliminates sloshing and prevents pack bulging
- Tactical 45° Bite Valve: Ergonomic high-flow design with dust cover
- Wide-Mouth Slider Closure: For lightning-fast refilling and easy cleaning
- RF-Welded Dual Seams: Engineered to withstand maximum compression
- Quick-Release Auto-Lock: Detach the tube instantly without leaks
- Antibacterial Treatment: Keeps internal surfaces fresh and prevents buildup
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