Bonfus Fastus 23L UltraX Fastpacking Ultralight Pack

ULTRALIGHT BACKPACK ENGINEERED FOR FASTPACKERS AND RUNNERS.

A revolution in lightweight outdoor gear, the Bonfus Fastus 28L backpack is your ultimate companion for ultralight adventures! With its sleek design, it strikes the perfect balance, providing ample volume for fast-and-light overnight trips while eliminating excess bulk and bounce during your runs. Get ready to hit the trail with confidence and ease!

Constructed from advanced, durable materials, the Fastus 23L is built to tackle the demands of fastpacking. The vest-style straps feature built-in stretch, breathable mesh fabric, and strategically placed 4mm foam over the shoulders for personalized comfort and flexibility. With five pockets on the vest straps—including a zippered pocket and a clever bottom pocket for easy double-sided access—plus multiple lashing options for your trekking poles, it’s designed for seamless on-the-go efficiency. Its sleek size and elegant design also make it perfect for everyday use and urban adventures!

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KEY FEATURES OF THE FASTUS 23L PACK

• Optimal Size for Fastpacking: perfectly sized for fastpacking adventures, this backpack provides enough volume for overnight trips without becoming too bulky during high-intensity runs.
  
  
• Vest Style Straps: featuring vest-style straps with five pockets, including one zippered compartment. This design ensures convenient storage and quick access for soft bottles, water bottles, and other items like electronics and snacks during your journey.
  
  
• Stretch Pockets with Elastic Cord: stretch pockets with elastic cords and cord-locks offer versatile and secure storage options, allowing you to expand or tighten the pocket openings as needed.
  
  
• Strategic Foam Padding: 4mm EVA foam, placed exclusively above the shoulders on the vest-style strap, provides targeted comfort, allowing breathability and flexibility for the rest of the vest straps while further reducing weight.
  
  
• Adjustable Sternum Straps: the backpack features two sets of sternum straps with elastic webbing, adapting to your torso’s natural expansion and contraction during breathing and movement.
  
  
• Quick Trekking Pole Storage: enjoy quick and on-the-go storage of trekking poles on the vest-style straps or alternatively on the side of the pack for added convenience.
  
  
• Bottom Access Pocket: the bottom of the backpack features a dual-access stretch mesh pocket, ensuring quick and easy access to essential items from both sides.
  
  
• Spacious Front Mesh Pocket: generously sized front mesh pocket, providing additional storage for items you want to keep within easy reach.
  
  
• Side Compression Cord: 6-point side compression cord not only stabilises the load but also secures items, providing versatility in packing.
  
  
• Ice Axe Loop: for those icy adventures, the built-in ice axe loop ensures you’re prepared for any terrain.
  
  
• Webbing Belt: a 25mm detachable webbing belt is included to additionally stabilise load and reduce pack movement.
  
  
• Taped seams: only when choosing Ultra200 as pack material. Seam tape is applied to increase water resistance and increase seam strength. A pack liner is suggested to enforce waterproofness.
  
  
• Fabric Options: available in Ultra200x and UltraGrid fabrics, providing durability and performance tailored to your needs. See more in the “Materials” section below.sure pack content remains dry.