Meet the 12 or 20 Liter Aarn Hydro Light Backpack — a lightweight, frameless pack designed for hikers, cyclists, runners, and walkers who want comfort, stability, and smart organization without the bulk. It hugs your body as you move and keeps essentials close at hand, so you can focus on the trail (or the next coffee break).

Key Features & Design

• Ultra-light, frameless design that hangs from your shoulders and molds to your body contours, flowing harmoniously with your movement.
• Capacity available in 12 Liter and 20 Liter models to suit short missions or longer adventures.
• Holds hydration bladder in rear compartment and/or liter bottles in expandable side pockets.
• Twin Chest Straps for superb stability: Yes (both 12 L and 20 L).
• Air-mesh back panel with foam stiffening: Yes (both models).
• Shoulder straps with V bottom webs for a body-hugging fit: Yes (both models).
• Shoulder pockets for.75-1L water bottles, cell phones, snacks: Yes (both models).
• Elastic loops hold neck of bottles: Yes (both models).
• Hydration pocket with zip entry: Yes (both models).
• Large stretch pockets on front panel: Yes (both models).
• Stretch side pockets: Yes (both models).
• Rear stretch pocket: 12 L model — Yes; 20 L model — No.
• Centre divider for a slim body-hugging profile: Yes (both models).
• Divider zips out for awkward loads: Yes (both models).
• Back foam can be removed for a sit mat: Yes (both models).
• Key ring hook: Yes (both models).
• Top stabilizers on shoulder straps for stability: 12 L — No; 20 L — Yes.
• Top opening with roll closure: 12 L — No; 20 L — Yes.
• Carry handle: Yes (both models).
• Top zip pocket plus side mesh pockets: Yes (both models).
• Hydration sleeve and exit hole: Yes (both models).
• Front elastic loops for attaching trekking poles: 12 L — No; 20 L — Yes.
• Reflective highlights front and back: Yes (both models).

SPECIFICATIONS

• Fabric: 100D Robic - lightens our packs and increases durability.
• Color: Green
• Capacity: 12 Liter or 20 Liter models
• Dimensions: 12 liter model: H18.1" W9.4" D3.9" / H46cm W24cm D10cm
• Dimensions: 20 liter model: H18.9" x W9.4" x D4.5" / H48cm W24cm D11.5cm
• Weight: 12 liter model 13 oz / 350 grams
• Weight: 20 liter model: 13.2 oz / 368 grams
• Suggested max load: 12 liter model: 11lbs / 5kg
• Suggested max load: 20 liter model: 13.2lbs / 6kg