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Brand: Durston Gear (Canada) | Capacity: 55L Main (+ 15L External) | Frame: Inverted U-Shaped Hollow Aluminum | Fabrics: Ultra 200X (Gray) / UltraGrid (Sage Green)
• 1. Redesigned Hipbelt with Lumbar Pad: Transforms the former 2-wing design into a full-wrap hipbelt featuring an added lumbar pad for enhanced cushioning and back grip. Reinforced with double-layer fabrics and heavy stitching for maximum durability under heavy loads.
• 2. Expanded Base Width & +5L True Capacity: Made 2 inches taller with a wider bottom base to fit bulky sleeping bags horizontally. Adds ~5L internal volume to match its 55L specs perfectly.
• 3. New UltraGrid Sage Colorway: Replaces the former gray UltraGrid with Durston’s signature Sage Green. Ultra 200X remains available in Classic Gray.
Torso Length:
Hipbelt Sizing:
| Torso Size | Ultra 200X Model | UltraGrid Model | Total Volume (55L Main + 15L Ext.) |
|---|---|---|---|
| Small (S) | 855 g (30.1 oz) | 830 g (29.2 oz) | ~68 L |
| Medium (M) | 895 g (31.5 oz) | 870 g (30.7 oz) | ~70 L |
| Large (L) | 920 g (32.4 oz) | 890 g (31.4 oz) | ~72 L |
| Brand / Assembly | Durston Gear (Canada) / Assembled in Arc'teryx factory partner |
| Capacity | 55L Main Body + 15L External Pockets (Total ~68L - 72L) |
| Frame System | Hollow 7075 Aluminum Inverted U-Frame |
| Recommended Load | Up to 45 lbs (20 kg) |
| Construction | Double-stitching and bound internal seams |
* Durston Gear Kakwa 55 (2026): Heavy-load capable, sub-900g framed comfort for multi-day thru-hiking. [Official Website Link] *