• Green hiking backpack on a wooden table with a bear and mountainous background big green bear
  • Green hiking backpack on a wooden table with a bear in the background
  • Green hiking backpack on a wooden table with a bear and mountainous background
  • Green hiking backpack on a wooden bench with a mountainous landscape in the background
  • Multifunctional rucksack with detailed views against a mountainous background
  • Green hiking backpack with detailed views and mountain background
  • Green backpack with sponge and coin illustration in outdoor setting
  • Large capacity hiking backpack with compartments and storage options, set against a forest background.
1 8

Biggreenbear.com

100L Waterproof Tactical Hiking Backpack

100L Waterproof Tactical Hiking Backpack

$110.00 USD
$110.00 USD
Sale Sold out
Taxes included. Shipping calculated at checkout.
Color

100L Tactical Molle Hiking Backpack & Detachable Hip Pack

Conquer the most demanding terrain with the ultimate heavy-duty outdoor companion. Engineered for long-distance treks, multi-day camping trips, and survival scenarios, this high-capacity tactical rucksack offers unmatched organization, rugged durability, and customizable load distribution.

Features & Dynamic Storage System

  • 900D Heavy-Duty Build: Premium high-density Oxford weave resists abrasive rocks, dense brush, and severe tears.
  • Weather-Resistant Barrier: Hydrophobic internal lining keeps your extra clothing, sleeping gear, and electronics dry.
  • 100L Massive Payload: Expansive main compartment holds up to three days of heavy expedition gear and provisions.
  • Modular Molle System: Reinforced webbing matrices let you anchor tactical pouches, carabiners, and custom tools.
  • Dual-Function Belt Pack: Detachable lower lumbar compartment instantly converts into a standalone shoulder messenger bag.
  • 4-Zone External Anchors: Dedicated webbing paths secure tents, sleeping pads, trekking poles, and sleeping bags.
  • Stress-Reduction Suspension: 2cm thick honeycomb foam lining channels airflow while neutralizing shoulder and spine pressure.

Technical Specifications

Parameter Specifications & Details
Material Construction 900D Water-Resistant Tear-Proof Oxford Cloth
Total Capacity 100 Liters (Main Compartment + External Modules)
Rucksack Dimensions 15.35" x 8.66" x 31.49" (L x W x H)
Lumbar Bag Dimensions 15.74" x 3.93" x 6.69" (L x W x H)
Rucksack Dry Weight 3.63 lbs / 1.64 kg
Lumbar Bag Dry Weight 0.99 lbs / 0.45 kg
Available Colorways Tactical Army Green / Stealth Matte Black
Best Used For Multi-day Hiking, Wilderness Camping, Alpine Climbing, Survival

Why Biggreenbear Outperforms the Competition

Tactical Features Biggreenbear 100L System Standard 100L Hiking Packs
Fabric Density 900D Military Grade Oxford Standard 400D - 600D Nylon
Modular Storage Full Molle Webbing Matrix Fixed Exterior Pockets Only
Convertible Gear Independent Lumbar Crossbody Bag Non-detachable Fixed Hip Belts
Back Support 2cm Multi-Layer Honeycomb Mesh Thin Standard Foam Padding

What’s in the Box?

  • 1 x Biggreenbear 100L Expedition Main Rucksack
  • 1 x Convertible Utility Waist / Shoulder Bag
  • 1 x Removable Heavy-Duty Adjustable Sternum Strap

Product Care Instructions

  1. Clear Debris: Shake out dirt, sand, and pine needles after every wilderness trek.
  2. Spot Clean: Hand wash using a soft microfiber cloth, lukewarm water, and mild detergent.
  3. Avoid Machines: Do not machine wash or tumble dry to preserve the weatherproof coating.
  4. Air Dry: Hang the pack completely open in a shaded, well-ventilated outdoor area.

Frequently Asked Questions

Is the entire backpack completely submersible in water?

The 900D Oxford cloth and internal coatings shield your gear against heavy downpours and snow. However, the zippers and seams are not hermetically sealed, so it should not be fully submerged in deep water.

What can I store inside the detachable independent belt bag?

The belt bag is designed for quick-access essentials. It comfortably holds standard water flasks, tactical flashlights, smartphones, sunglasses, passports, and charging cables.

Can this backpack be adjusted for shorter torso lengths?

Yes. The padded shoulder suspension and hip belt adjust across a wide range of body types to distribute heavy weight directly to your hips.

Elevate Your Journey Risk-Free

Do not let sub-par equipment compromise your next backcountry expedition. The Biggreenbear 100L Tactical Rucksack gives you the storage depth of a military deployment asset with the tailored comfort of an elite alpine pack. Pack your tent, secure your sleeping mats, organize your survival gear, and step out onto the trail with absolute confidence.
The Biggreenbear Promise
  • 30-Day Money-Back Guarantee: If it does not handle your heaviest gear trial, return it with zero hassle.
  • Fast & Secure USA Shipping: Dispatched directly from domestic warehouses right to your doorstep.
  • Safe Encrypted Checkout: Your transaction is fully guarded by industry-leading security protocols. 
View full details