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Two ultra-stretch side pockets securely hold bottles, layers, or gear—expanding to fit your needs and built tough for repeated use.
Stay refreshed on the move—hydration-compatible design lets you easily integrate a reservoir and hose for hands-free drinking on hikes and long travel days.
The removable foam back panel adds structure while hiking, then doubles as a camp seat or pad—making the bag both supportive and then easily packable when removed.
Quick-access side zipper lets you reach the main compartment without unrolling the top—grab what you need on the fly without slowing down.
A coated mesh front pocket and external bungee system give you quick-access storage for damp gear, layers, or overflow—built to adapt on the go.
The front zippered stash pocket on the Day Pack 18L is built for quick access and smart organization. Inside, two interior slip pockets keep smaller essentials like your phone, snacks, or a transit pass secure and easy to reach. It's the perfect spot for items you want close at hand without having to dig through your main compartment.
- 18L capacity — ideal for day hikes, travel, and everyday carry
- Made from lightweight, sustainable materials
- Fidlock® magnetic roll-top closure for secure, one-handed access
- Hydration reservoir compatible with internal sleeve and hose port
- Quick-access side zipper to main compartment
- Removable foam back panel doubles as a camp seat or pad and allows the pack to be stowed
- Dual ultra-stretch, abrasion-resistant side pockets
- Coated mesh front pocket for quick-dry or damp gear
- External bungee system for overflow storage
- Minimal, adaptable design built for movement and versatility
18 Liters [Approx] /// 19.5" L x 11.5" H x 5" W /// 49cm L x 29cm H x 12cm W
[Measurements reflect the bag Rolled Closed @ Top]
[Max Capacity UnRolled @ Top: 23 Liters]
Exterior Materials:
ULTRA GRID [Eco Grid Blackout / Eco Grid Black
Recycled Content // Lightweight // Tear Resistant // Water Resistant
210d Nylon x 5mm double 200d Ultra™ Grid
ECOPACK [Eco Drab}Recycled Content // Lightweight // Tear Resistant // Waterproof
EXP 200D Recycled Polyester Sailcloth Material with a 70D Ripstop Backing Made From Post Consumer Plastic Bottles
SHADOWLITE
Opaque 50d triple ripstop polyester // 45° Ultra™ CrossPly // 0.25 mil PET film
Exterior Coating:
Environmentally Friendly // PFC Free
C0 DWR Face - 1500mm PU Backing
Interior Materials:
Great bag with thoughtful storage compartments. Can fit a lot but the bag is still compact!
I own a lot a bags (too many). The Day Pack is one of my favorite. Side opening is great. It’s light and beautiful imho. Very practical for my edc use (pc, camera, light waterproof vest, and 3 pouches. Only things I would add: Velcro patch and oring attachment inside the bag to attach my pouches.
Last thing: I don’t understand the shape of the QAP (front of the bag) but it’s minor. Great work Alpine Sea!
The bag looks as good online as it does in person! The construction feels great, super light bag. I use it both hiking (with hydration pack) and without as my commuter bag and it feels perfect for both