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Bonfus - Iterus 38L Backpack

Bonfus - Iterus 38L Backpack

Regular price $271.00 USD
Regular price Sale price $271.00 USD
Sale Sold out

Minimalist, comfortable and functional, the Iterus 38L is the lightweight backpacker’s dream pack. Suitable for multi-days trips for ultralight adventurers with low base pack weight and volume, and perfect for weekend trips for more traditional hikers. The Iterus 38L is a frameless pack that features some of the most technologically advanced waterproof materials to create a pack that is both very lightweight and durable.


  • Bottom pocket
  • Removable shock cords in the back panel to attach foam pad (not included) for added comfort and breathability (see pictures).
  • Functional 4-point compression cords that fully cover the pack sides from top to bottom, allowing to significantly reduce pack volume when needed.
  • Big stretchy spandex/nylon front mesh stores a lot of gear.
  • Durable side pockets with double-layer elastic at the hem to firmly hold your gear in place.
  • Single webbing straps for carrying extra gear over roll top closure
  • Comfortable 11mm (7/16”) thick shoulder straps, padded with EVA-foam and 3D spacer mesh.
  • Daisy chain on shoulder straps for adding extra shoulder pouches or other gear.
  • One sewn-in shoulder mesh stretch pocket
  • Ice axe attachment point
  • Chest straps with loops for lightweight hardware-free connection to the daisy chain.
  • Included removable 2.5cm (1”) webbing belt, with two attachment loops to regulate for torso length. Optional removable padded hip belt (not included) can be used instead of webbing belt  (see pictures). For hip girths up to 115-120cm.
  • Drainage hole at each side pocket
  • Taped seams (only when choosing Ultra200 and DCF as pack material). Seam tape is applied to increase water resistance and increase seam strenght. The pack is higly water resistant, not waterproof. A pack liner is suggested to ensure pack content remains dry.
  • Reinforced bottom section with Ultra400 fabric (for packs in Ultra 200 or Xpac) or DCF5.0 (for packs in DCF2.92).
  • UltraGrid Black fabric for side pockets and shoulder straps, for added strength and durability
  • Optional shoulder pouches and hip belt pockets (not included) can be mounted to the webbing loops of the shoulder straps and the removable padded hip belt.


  • Volume: 38 liters (30L internal volume, 8L external pockets)
  • Size:
    • Unrolled height: 73cm
    • Average circumference: 85cm
  • Torso Length:
    • up to 50cm/20 inches (first attachment loop)
    • up to 55cm/22inches (lowest attachment loop)
  • Pack Weight:
    • Ultra 200 Black or White –345g
    • Webbing belt adds 40g (included)
  • Suggested Carry Load:
    • up to 6-7kg without hip belts
    • up to 8-9kg with removable webbing belt
    • up to 9-10kg with padded removable hip belt


Ultra 200 X Black or White (130gsm | 3.85oz/sqy) – Probably the most advanced pack fabric on the market. It features woven 200D UHMWPE fibers. At a slight weight increase compared to DCF2.92, the Ultra 200 fabric has 3x higher tear strength, 3x higher UHMWPE fibers content, 7x the abrasion resistance. The backing of the fabric is a .75mil recycled polyester film, that makes the fabric extremely waterproof.


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