Durston Wapta 30
Materials & Construction
The Wapta 30 is constructed primarily from ALUULA Graflyte™, an advanced composite fabric featuring a 100% woven UHMWPE face fabric laminated to a durable waterproof film. Unlike conventional laminates, ALUULA’s patented manufacturing process heat-bonds the UHMWPE fabric directly to the waterproof film, eliminating the need for adhesive layers that add weight and can deteriorate over time. The result is a lighter, stronger, and more durable fabric with a weight of just 98 g/m².
The heat-bonding properties of ALUULA Graflyte™ are also utilized elsewhere throughout the pack. The ventilated back panels are heat-bonded directly to the back panel, while the fabric’s exceptionally stable cut edges allow laser-cut drainage holes to be incorporated into the front and side pockets.
Features
A frameless ultralight backpack performs at its best when every detail is designed for efficiency while hiking. The Wapta combines a carefully considered feature set rarely found together in a backpack of this weight:
- Durable ALUULA Graflyte™ bottom pocket, providing greater abrasion resistance than conventional stretch mesh in this high-wear area.
- Supportive removable hip belt with generously sized pockets that can be opened and closed with one hand.
- Easily accessible side pockets with adjustable shock cord retention and laser-cut drainage holes.
- Large front stash pocket made from ALUULA Graflyte™ instead of traditional stretch mesh for improved durability.
- Dual-adjust side compression straps with adjustable attachment points using ALUULA Durflyte™ daisy chain webbing.
- V-shaped top compression strap with dual adjustment for securing gear more firmly on top of the pack.
- Fully taped seams make the pack effectively waterproof, although a waterproof liner or dry bag is still recommended for moisture-sensitive equipment.
Carry Comfort
Although the Wapta is a frameless backpack, carrying comfort has been a primary design objective. The shoulder straps are ergonomically shaped to follow the natural contours of the shoulders and feature an S-shaped profile that fits a wide variety of body types. They also incorporate ALUULA Durflyte™ daisy chain attachment points for adjustable sternum strap positioning.
The padded, anatomically shaped hip belt offers an exceptional level of support compared to most backpacks in this weight class. Weighing just 115 g, the hip belt can also be removed entirely when carrying lighter loads.
The back panel features raised ventilation pads made from breathable mesh fabric helping to improve airflow and carrying comfort, an uncommon feature among backpacks this light.
Technical Specifications
Weight
Total Weight
- Small: 500 g
- Medium: 520 g
- Large: 540 g
Minimum Weight
- Small: 365 g
- Medium: 385 g
- Large: 405 g
Materials
- Main fabric: ALUULA Graflyte™ V-98
- Daisy chain attachments: ALUULA Durflyte™ HH-190
Sizing
Recommended Torso Length
- Small: 38–45 cm
- Medium: 43–50 cm
- Large: 48–55 cm
Back Length (centre of hip belt to shoulder strap attachment)
- Small: 40 cm
- Medium: 45 cm
- Large: 50 cm
Hip Belt Circumference
- S/M: 71–123 cm
- M/L: 81–133 cm
Recommended Hip Circumference
- S/M: 76–96 cm
- M/L: 86–106 cm
Pack Circumference
- Upper: 89 cm
- Lower: 74 cm
Pack Height (unrolled)
- Small: 71 cm
- Medium: 76 cm
- Large: 81 cm
Capacity
Internal Volume
- Small: 28 L
- Medium: 30 L
- Large: 32 L
External Volume
- 16 L

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