• A gray hydration backpack standing on a rocky mountain trail next to a translucent blue water bottle, with a scenic forest and mountain landscape in the background. big green bear biggreenbear.com
  • A person hiking on a mountain trail seen from behind, wearing a gray hydration backpack with a blue drinking straw. The background features a scenic view of pine trees and rugged mountains under a clear blue sky.
  • A dark gray hydration backpack shown on a mountain trail with overlaid callouts and labels pointing to features such as hose loops, a water bladder pocket, ripstop nylon, storage pockets, elastic cord, and reflective patch.
  • A gray hydration backpack shown from the back in an outdoor mountain setting, with callout lines and labels pointing to features such as the tube trap, adjustable sternum straps, zipline, breathable mesh pad, shoulder straps, double ditching straps, and waist straps.
  • A black and dark gray hydration backpack shown from the back on a person wearing a black t-shirt, with a mountain trail background.
  • Blue 70-ounce bladder water bottle with attached hose and lever, shown on a rocky mountain trail with feature callout text and small inset diagrams.
  • A man wearing a black t-shirt and a gray hiking backpack with a hydration tube, standing on a mountain trail with a scenic alpine valley and rugged peaks in the background.
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Biggreenbear.com

2L Hydration Pack: Lightweight Water Backpack for Hiking

2L Hydration Pack: Lightweight Water Backpack for Hiking

$39.99 USD
$39.99 USD
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Color: Black

Big Green Bear

High-Performance Hydration Backpack with 2L Water Bladder

Conquer your next outdoor adventure with ultimate comfort and lightweight stability. Engineered specifically for high-intensity sports like running, hiking, climbing, and cycling, this tactical hydration pack is designed to keep you performing at your peak without slowing you down. Aerodynamic, ultra-durable, and sleek, it offers a featherweight feel while ensuring you stay fully hydrated over miles of demanding terrain.

Technical Specifications

  • Sport Type: Running, Hiking, Rock Climbing, Cycling, Marathon Training, Team Outings
  • Color: Solid Black
  • Material Composition: 80% Premium Nylon, 20% Polyurethane
  • Total Weight: 1.1 lbs (Pack + Empty Bladder)
  • Dimensions: 16.5 x 8 x 6.0 inches
  • Bladder Capacity: 2 Liters (70 oz)
  • Fit Range: Fits chest sizes from 27 inches (kids/teenagers) up to 50 inches (adults)

Product Features

  • Aerodynamic & Bounce-Free Fit: Engineered with fully adjustable shoulder, chest, and waist straps to conform precisely to your body. Dual secure straps completely eliminate annoying pack bounce during aggressive motion, delivering streamlined, wind-resistant stability on your back.
  • Premium Splash-Resistant Nylon: Upgraded ripstop nylon blend shrugs off light rain, mud, and trail debris, protecting your electronics and extra gear while maximizing long-term wear and tear resistance.
  • Replaceable 2L BPA-Free Bladder: Includes a food-grade, odor-free 70 oz water reservoir with an integrated airflow cooling system to keep your water fresh and crisp. Features an extra-wide screw cap so you can easily drop in ice cubes for all-day cooling.
  • Aerodynamic Racing Pocket: Thoughtfully optimized for minimal bulk, the compact front zippered pocket provides secure storage for quick-access items like keys, cards, and energy bars without compromising your agility.

Visual & Performance Highlights

  • Universal Ergonomic Sizing: Seamlessly adjusts from youth to adult men and women, distributing weight perfectly across the upper body to reduce muscle fatigue.
  • Featherweight Stability: At just 1.1 pounds, the minimalist design minimizes wind drag, making it ideal for everything from competitive trail marathons to rugged mountain climbs.
  • Thermal Regulation: The specialized internal sleeve keeps your drink cool, preventing temperature transfer from your back during peak summer exertions.

How to Set Up & Use

  1. Prep the Bladder: Rinse the internal reservoir with warm water before your first use. Unscrew the leakproof cap, fill it with water and optional ice cubes, and seal it firmly.
  2. Insert & Connect: Slide the bladder into the main back compartment and secure the hose through the designated left or right shoulder strap loops based on your personal comfort.
  3. Adjust the Fit: Slip the shoulder straps on. Connect the chest clip first, followed by the double built-in waist straps. Pull the adjustment tabs until the pack sits snug and high on your back with no gaps.
  4. Hydrate on the Move: Bite gently down on the soft bite valve to open the water channel and draw water smoothly.

Care & Maintenance Instructions

  • Pack Body: Hand wash only with mild soap and warm water. Wipe down muddy areas with a damp cloth. Air dry completely away from direct sunlight. Do not machine wash or bleach.
  • Hydration Bladder: Wash inside out after each trip using warm water and a drop of dish soap. Use a flexible wire brush to clean the drinking tube. Air dry completely before storage to prevent mold.

What’s in the Box?

  • 1 x Lightweight Black Tactical Hydration Backpack
  • 1 x Replaceable 2L (70 oz) BPA-Free Water Bladder
  • 1 x Insulated Drinking Hose with High-Flow Bite Valve

Frequently Asked Questions (FAQ)

Q: Will this pack bounce when I run or sprint?
A: No. Thanks to the heavy-duty adjustable chest and dual waist straps, you can secure the pack tightly to your frame, ensuring absolute stability and zero vertical bounce during intense runs or cycling sprints.
Q: Can I add regular ice cubes inside the bladder?
A: Yes! The bladder is designed with an accessible wide-mouth screw cap, allowing you to load standard refrigerator ice cubes effortlessly for a freezing-cold drink all day.
Q: Is it suitable for young teenagers or kids?
A: Absolutely. The highly customizable strap framework scales down down to a 27-inch chest circumference, making it excellent for active kids, teens, and adults up to a 50-inch chest.
Q: Is the material fully waterproof?
A: The upgraded nylon fabric is splash-resistant and engineered to protect your personal belongings during light rain and mist. However, it should not be submerged in deep water.

Gear Up Risk-Free Today!

Experience top-tier endurance performance with the ultimate hydration pack built for the rugged trail. We back our quality with an absolute 30-day money-back guarantee—if you are not completely satisfied with your pack's fit or performance, return it within 30 days for a hassle-free, full refund.
Order today and take advantage of our fast, free, and secure shipping directly within the USA. Get out there, push your limits, and stay perfectly hydrated every mile of the way!
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