45L Military Tactical Backpack 3 Day Assault Pack - Water Resistant
45L Military Tactical Backpack 3 Day Assault Pack - Water Resistant
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In this review the 45L Military Tactical Backpack is assessed for outdoor use, travel and daily carry; it will suit anyone who needs a roomy, well-stitched pack that organizes gear for multi-day trips. The single biggest reason to buy is the combination of a true 45L capacity with a rugged 900D polyester build and a practical MOLLE modular design that lets you add pouches and accessories for hiking, patrol or commuting.
Key Features
- Spacious interior: The 45L main compartment and multi-layer interior storage accept bulkier gear and separate items for multi-day outings.
- Durable construction: Made from 900D polyester with reinforced double stitching, the pack stands up to heavy use and abrasion.
- Water resistant coating: A special outer coating helps repel light rain and splashes so contents stay drier during travel.
- MOLLE webbing: Webbing on the front and sides lets users attach kettle, first-aid, radio or utility pouches for mission-specific setups.
- Organized compartments: Five compartments including two front pockets, a laptop/device sleeve and a hidden back pocket make packing and access straightforward.
- Comfort and fit: Padded shoulder straps, mesh backing and an adjustable waist strap increase comfort on longer carries.
Who It's For
This pack is well suited to hikers, weekend travelers, and anyone needing a versatile 3 day assault pack with clear organization and expansion options. The dedicated laptop/device compartment and multiple pockets also make it useful for commuters who carry larger electronics alongside outdoor gear.
People who need a fully waterproof, expedition-grade pack or those who require ultra-lightweight minimalist packs should look elsewhere; this bag favors durability and capacity over minimal weight and is best for users valuing structure and modularity.
Pros & Cons
Pros
- Roomy 45L capacity with practical internal organization for multi-day trips.
- Sturdy 900D polyester and double stitching deliver noticeable build quality.
- MOLLE system expands carrying options for pouches and accessories.
- Comfort features like padded straps and mesh back improve long carries.
Cons
- Not fully waterproof in heavy rain; water resistant coating is protective but not submersible.
- Some users report mixed experiences with zipper longevity under extreme, prolonged use.
Specifications
| Capacity | Approx 45L |
| Dimensions | 18 in x 13.2 in x 11.6 in |
| Material | 900D polyester with water resistant coating |
| Compartments | 5 compartments plus laptop/device sleeve and hidden back pocket |
| MOLLE | Webbing on front and sides for modular pouches |
| Comfort | Padded shoulder straps, mesh back, adjustable waist strap |
Our Verdict
The 45L Military Tactical Backpack is a practical, value-oriented choice for hikers, travelers and anyone needing organized capacity and modular expansion. Its durable 900D polyester build, multiple compartments and MOLLE webbing make it a reliable pack for multi-day trips, though buyers should note it is water resistant rather than fully waterproof.
Frequently Asked Questions
Does it fit a 17 in laptop?
Yes, there is a dedicated laptop/device compartment sized to accept up to a 17 in laptop.
Is the pack waterproof?
The special coating makes the pack water resistant and protects against light rain, but it is not fully waterproof for prolonged submersion.
Can I attach extra pouches?
Yes, the MOLLE webbing on the front and sides is designed to accept kettle pouches, first-aid kits and other modular gear.
Editor's Take
The 45L Military Tactical Backpack offers durable 900D polyester construction, MOLLE modularity and organized compartments for multi-day trips; it is excellent value for hikers and travelers but is water resistant rather than fully waterproof.

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