Mayhem 45

Created with Spectra® Fiber, an ultralight, ultra-strong fiber that puts the Mayhem at the top of its class for weight and durability. The Mayhem 45’s volume and its hybrid top and panel opening make it ideal for backpacking weekends, backcountry huts, the local crag, and far away hostels.

Versatile rugged simplicity is the driving concept behind this multi-purpose pack. From backpacking into your favorite camping spot to tackling alpinemissions the Mayhem 45 adapts to any adventure. The hybrid top load/clamshell opening lets you pack, organize, and access your gear witheasy and simplicity. The strong and light Spectra® Fiber fabric keeps weight down without compromising durability. The Hex-ridged EVA back panel padding allows for omni-directional airflow, and the wide waistbeltcomfortable directs weight to the hips and off the shoulders. 


  • Front panel expansion pocket with daisy chain attachment loops and built in haul handle
  • Dual density EVA/PU shoulder straps with load lifter adjustment
  • Forward pull waistbelt with side adjustment webbing Ventilated waistbelt padding
  • Stretch mesh waistbelt pockets
  • Top lid zippered compartment with secondary pocket underneath
  • Side panel mesh bottle pockets with Over/Under strap pass thru
  • Dual tool / trekking pole carry with elastic pole tip loops
  • Ice & mixed tool lower panel pass-thru sleeves


  • 210d HT Nylon w/ 200d SPECTRA® R/S
  • 210d Nylon Embossed Liner
  • 2mm Spring Steel


  • Dimensions: 26" x 11.5" x 8.25" (H x W x D)
  • Torso size: 16" - 20"
  • Waistbelt: 28" - 48"


  • 2675 cubic inches / 44 L


  • Up to 45 lbs


  • 2 lbs 15 oz / 1.33 kg