Durston Gear Kakwa 55 Review
Brand: Durston Gear · Category: backpack · Price: $220 - $299
The Durston Gear Kakwa 55 UltraGrid is the 2026 affordable variant of the acclaimed ultralight framed backpack, using Challenge Outdoor's UltraGrid fabric—a 210D recycled nylon base interlaced with a 200D UHMWPE ripstop grid (≈20% UHMWPE) and PU-coated for waterproofing. This contrasts with the premium Ultra 200X version, which is UHMWPE-dominant and laminated for superior abrasion resistance and
Specs
| Volume | 61L total (46L internal, 15L external) for Medium; 58L (S), 64L (L) |
|---|---|
| Weight | 870g (S), 910g (M), 950g (L) for UltraGrid; 855g (S), 895g (M), 920g (L) for Ultra 200X |
| Pockets | Large hipbelt pockets, front pocket, side pockets |
| Rain Cover | No (PU-coated UltraGrid is waterproof; Ultra 200X is laminated waterproof) |
| Fabric Denier | 210D Nylon with 200D UHMWPE ripstop grid (UltraGrid); Ultra 200X (UHMWPE-dominant, laminated) |
| Hipbelt Range | S/M: 29"-38" (76-96cm), M/L: 33"-42" (86-106cm) |
| Load Capacity | 45 lbs (20 kg) |
| Frame Material | Hollow aluminum tube U-shaped frame (90g, removable) |
| Torso Fit Range | S: 15-18" (38-46cm), M: 17-20" (43-51cm), L: 19-22" (48-56cm) |
Strengths
- UltraGrid fabric offers a softer, more comfortable feel than stiff Ultra 200X while maintaining durability via UHMWPE ripstop grid
- Removable aluminum U-frame and backpad allow weight customization (save 3.5 oz)
- High total capacity (61L+) with 15L external storage for multi-day trips
- Excellent weight transfer to hips with configurable, sewn-on hipbelt and lumbar pad (2026 update)
- Lightweight for a framed pack: ~2 lbs (910g Medium UltraGrid)
- Affordable entry point ($220) compared to Ultra 200X version ($299)
- S-shaped shoulder straps improve upper body fit
- 2026 model includes redesigned hipbelt with improved durability and sage green color option
Complaints
- UltraGrid is less abrasion-resistant and water-resistant than Ultra 200X due to PU coating vs. lamination
- Hipbelt pockets are large but may not secure small items tightly during active movement
- No included rain cover despite waterproof fabric (user must add for heavy rain)
- Sizing differences in volume (3-4L per size) require careful selection based on torso length
- Frame and backpad removal reduces comfort for loads >30 lbs
- Some users report the pack feels slightly bulky when unrolled (36" for Large)
- Limited color options compared to Ultra 200X version
- UltraGrid's softer texture may show wear faster in high-abrasion environments
Research Notes
The Durston Gear Kakwa 55 UltraGrid is the 2026 affordable variant of the acclaimed ultralight framed backpack, using Challenge Outdoor's UltraGrid fabric—a 210D recycled nylon base interlaced with a 200D UHMWPE ripstop grid (≈20% UHMWPE) and PU-coated for waterproofing. This contrasts with the premium Ultra 200X version, which is UHMWPE-dominant and laminated for superior abrasion resistance and water proofness. Reviewers consistently note UltraGrid's softer, more comfortable texture versus Ultra 200X's stiffness, making it ideal for users prioritizing feel over maximum durability. The 2026 update includes a redesigned hipbelt with a lumbar pad and improved durability, plus a new sage green color. Weight for Medium UltraGrid is 910g (2.0 lbs), slightly heavier than Ultra 200X (895g) but still competitive for a framed pack. Total volume is 61L (46L internal + 15L external) for Medium, with size-dependent variations (S: 58L, L: 64L). The removable hollow aluminum U-frame (90g) and backpad (15g) enable weight customization, though removal reduces comfort for loads >30 lbs. Max load capacity is 45 lbs (20 kg), with S-shaped straps and configurable hipbelt ensuring excellent weight transfer. Price is $220 for UltraGrid vs. $299 for Ultra 200X, making it a strong budget option in the ultralight framed category. Competitive comparisons show it trails the Zpacks Arc Haul Ultra 60 in weight (Arc Haul: ~1.5 lbs) but offers better frame stability and hipbelt comfort for moderate loads. Real-world issues include potential wear on UltraGrid in high-abrasion environments and the lack of an included rain cover. Version history: 2025 introduced the UltraGrid option; 2026 added hipbelt redesign and sage green color. Unique differentiators include the removable frame/backpad, UHMWPE ripstop grid in nylon base, and soft fabric feel at an accessible price point.