Summit Bum™ Classic by Thrupack

Color: White ULTRA200
$ 64.99


Ships in 1-2 business days | Based in Norfolk, VA | Est. 2017

This is Thrupack's flagship model and the design has inspired a number of lookalikes, none of which are as fully featured as the Summit Bum.™ The goal is a simple and elegant design that allows the user to easily adapt it to their specific needs as they move from camp to trail and from trail to town.

The Summit Bum™ series is at the apex of lightweight durability. It’s designed to hold up to everything that you can, without getting in your way and without weighing you down. The Summit Bum™ series is a versatile pack-style that can be used in a number of ways!


  • Easy-access pocket large enough for most smartphones
  • Fits any strap less than 2" wide
  • Loops on top two corners to attach carabiners or other rigging
  • 2 Internal pockets large enough for a small wallet
  • Reflective zipper pull
  • Internal mitten-clip
  • Removable 1" webbing-strap

Note: 1" Webbing-strap included, Comfy strap sold separately HERE.



  • Capacity: 2.5L
  • Dimensions: 9” x 5” x 3”
  • Total adjustable belt-length: 50”

Weight: 2.5oz (no strap), 3.5oz (with standard strap), 4.7oz (with Comfy strap)


  • VX21 or HDPE Gridstop
  • 3D spacer-mesh
  • #5 Nylon Zipper w/ polyurethane coating
  • 1" Nylon webbing
  • 1” YKK Plastic Buckle

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