Peak Design Outdoor Backpack 18L Zip – Kelp

A compact, lightweight backpack, ideal for day trips or the commute. The Outdoor Backpack 18L offers all the comfort and versatility of the larger Peak Design backpacks, but in a simplified build and a design that suits both the outdoors and the city.

It is designed to work flawlessly with a wide range of Peak Design organisers*, which offer perfect organisation and protection for your gear – including your camera.

Running-vest-style straps distribute the load from your shoulders and arms over more of your body, while providing ideal storage in two stretch mesh pockets – perfect for quick access to your phone or for carrying a soft flask. Both straps also feature mounting points for the Capture Camera Clip*.

This backpack is highly abrasion-resistant and functionally waterproof thanks to Terra Shell™ 210D ripstop nylon, which is 100% recycled, Bluesign-approved, treated with a PFAS-free water-repellent finish and has an internal PU coating. The optional Rain Fly* provides full waterproof protection.

A large back access panel makes packing easy and provides the ideal format for carrying photo and video gear in combination with Peak Design Camera Cubes*, which can be secured inside the backpack. 3 large external Flex Pockets™ give easy access to large items you want to keep handy (water bottles, trekking poles, jackets, tripods) while always keeping a clean look. External Cord Hook™ straps and elastic Gear Loops offer endless options for attaching items to the outside of the backpack, while the Cord Rails™ provide attachment points on every side. You can even attach Peak Design Ultralight Packing Cubes* for modular external storage.

The backpack is Fair Trade certified.

• Holds 1 Smedium (or Small) Camera Cube.
• Designed for day adventures.

Looking for something bigger? Take a look at the Outdoor Backpack 25L or 45L.

KEY FEATURES

ACCESS

• Large back panel accessed via a rugged yet lightweight weatherproof 8 mm UltraZip™

CARRY SYSTEM

• More comfort thanks to low-profile padded running-vest-style straps that distribute weight better and provide pockets for quick access to small items
• The shoulder straps include mesh pockets with hidden mounting points for the Capture Clip (clip sold separately)
• Two quick-adjust sternum straps for more active and ergonomic carry (use both, one or none)
• Optional quick-attach padded hip belt (with storage and a Capture Clip mounting point), sold separately
• Padded back panel with a central channel for better airflow
• Breathable, quick-drying perforated foam padding on the back panels and shoulder straps
• Top handle for easy carrying

INTERNAL STORAGE

• Hydration sleeve (with bladder hanger) can also be used as a laptop sleeve for up to a 16" MacBook Pro
• Hydration tube port at the top of the backpack
• Fully customisable modular interior with Peak Design Packing Tools (sold separately)
• Removable key clip can be moved to different pockets

EXTERNAL STORAGE

• Plenty of room for water bottles, trekking poles, tripods and other long items on the sides
• The unique Flex Pocket™ design keeps the backpack looking clean whether full or empty – it never looks disorganised
• 2 weatherproof pockets closed with #5 UltraZips™ for small items (fit an X-Small or XX-Small Ultralight Packing Cube)
• External Cord Hook™ Carry Cords (2x) for quickly attaching gear to the outside of the backpack
• Elastic, adjustable Cord Hook™ Gear Loops (2x) offer further quick and easy external attachment options
• The external straps and Gear Loops are made of ultra-strong, abrasion-resistant UHMWPE fibre
• Hidden Cord Rails™ allow additional gear to be attached anywhere on the outside of the backpack, ideally with Cord Hook Carry Cords or Gear Loops – but you can use any other strap too
• Use the attachment straps and Gear Loops to attach Ultralight Packing Cubes (sold separately) for modular external storage
• Use the attachment straps and Cord Rails™ to compress the sides of the backpack for better load distribution

INTERNAL STORAGE FOR PHOTO AND VIDEO GEAR – AND MORE

• Holds one Smedium or Small Peak Design Camera Cube (sold separately)
• Ideal for a kit of up to one mirrorless/DSLR body and 3–4 lenses

WEATHER PROTECTION

• The primary outer material is ultralight Terra Shell™ 210D ripstop made from 100% recycled nylon
• The secondary outer material (front and base) is TPU-laminated Terra Shell™ 210D ripstop (not recycled)
• PFAS-free water-repellent finish and internal PU coating
• The backpack is functionally waterproof, with an optional Rain Fly (sold separately) for complete waterproofing
• Spot clean with warm water and a mild detergent; hand wash only
• Fair Trade certified

DIFFERENCES FROM THE 25L MODEL

• Smaller overall volume
• 20% lighter
• Simpler, cleaner design
• No top (roll-top) access or expansion – back access only
• External Flex Pockets replaced by two separate side pockets

FIT

• Fits torso lengths from 43 to 50 cm
• Fits waist sizes from 61 to 132 cm

SPECIFICATIONS

• External dimensions: 47.6 cm x 27.5 cm x 15.5 cm
• Internal dimensions: 47.1 cm x 27.0 cm x 15.0 cm
• Volume: 18 L

Peak Design Camera Cube capacity

• Holds 1x Smedium or Small Camera Cube (see product photo), with no room for an X-Small Camera Cube on top
• Not compatible with Medium or Large sizes

Hydration / laptop storage

• 1x internal hydration bladder sleeve
• The hydration tube can be routed through the main back zip
• The internal sleeve fits up to a 16" MacBook Pro

Weight: 879 g

Materials

• Ultralight Terra Shell™ 210D ripstop outer fabric is weatherproof, 100% recycled and Bluesign-approved
• Internal PU coating with a 1,500 mm hydrostatic head
• PFAS-free water-repellent finish
• Ultra-durable 8 mm and 5 mm UltraZips™ with abrasion-resistant UHMWPE fibres
• All straps made of highly durable UHMWPE for maximum lifespan
• Internal pockets of stretch mesh made from a nylon/UHMWPE blend
• Breathable back panel and harness made of nylon mesh
• Bluesign-certified nylon webbing
• Nylon Cord Hook™ buckles and metal strap-adjustment components
• High-strength aluminium hardware on the shoulder straps and strap adjusters

Note: the hip belt is sold separately.

In the box

• 1x Outdoor Backpack Zip 18L
• 2x Cord Hook™ Gear Loops
• 2x Cord Hook™ external attachment straps
• 1x key clip
• 2x sternum straps

Warranty: Lifetime