Ultimate Direction PB Adventure Vest

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Hosted by
Scott Warr

Ultimate Direction may have come one step closer to a perfect hydration vest with the PB Adventure Vest.  PB Stands for Peter Bakwin, the designer who always wanted this pack but it did not exist. Most ultra-light backpackers are very aware of Cuben Fiber.  This vest is the first, to our knowledge, to incorporate this light-weight very durable material.

You will need to make sure you SIZE the vest.  Watch this video

Listen to our audio review HERE

UD Vest

Features (Front):

  • GPS Pouch (buttons accessible)
  • Bottle holsters can carry 26 oz.
  • Gel or bar pouches (4)
  • Electrolyte or valuables pocket (2)
  • Fully adjustable Sternum Straps (2)
  • Emergency whistle
Features (Back):
  • Cuben Fiber bellows for large or small loads
  • Secure Lat Pockets, with full pocket behind (2)
  • Two sizes main compartments
  • Single pull bungee compresses entire pack
  • Trekking pole (2) and Ice Axe loop (1)

Sizing At Chest (Unisex):

  • S/M: 28 – 36 in / 71.1 – 91.4 cm
  • M/L: 36 – 40 in / 91.4 – 101.6 cm
  • Measure wearing the clothes you intend to wear
  • A vest full of gear will fit smaller


  • Volume Capacity: 61 in3 / 12L
  • Fluid Capacity: 2 x 20 oz bottles / 2 x 591 mL & a 70 oz reservoir
  • Weight: 12 oz (17.5 oz with bottles) / 340 g (496 g with bottles)
  • Height: 16 in / 41 cm
  • Width: 9 in / 23 cm
  • Depth: 4.5 in / 11 cm


  • Cuben Fiber: Used for the sails of America’s Cup racing yachts, this non-woven fabric is 15 times stronger than steel and 40% stronger than Aramid fibers, and is extremely resistant to moisture, UV, and chemicals
  • Velvetex: The edge banding is very soft for greater comfort
  • Power Mesh: All pockets and super stretchy, so small loads won’t bounce and the vest expands as you need it to.
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