Mountainsmith Mayhem 45 Hiking Backpack

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Built to travel, the Mountainsmith Mayhem 45 Hiking Backpack has a wire hoop frame for excellent stability and tough Cordura® fabric for added durability. This bag’s large asymmetrical zipper opening provides easy access to contents, while a variety of useful pockets and the trekking pole loops offer storage options. EVA back padding and a forward pull waist belt with adjustable webbing make the Mountainsmith Mayhem 45 Hiking Backpack comfortable to carry.




45-liter backpack
Hybrid panel loader system
Large asymmetrical zipper opening for easy access
PE frame sheet with wireframe load dispersion and stabilizer
Anvil Airway™ ridged EVA back panel padding is breathable and moisture wicking
Forward pull waist belt with adjustable webbing
Bar tack reinforcements
YKK® zippers
3M™ reflective cord
Smartphone compatible waist belt pocket (fits up to iPhone 6+ and Galaxy S6)
Left side panel mesh storage pocket with over/under strap pass through
Right side zippered stash pocket
Front panel mesh storage pocket
Top lid gear pocket with key fob
Tool/trekking pole carry




305d multi-rip Cordura® HP
610d Cordura HP
Spring steel wireframe suspension




Volume: 45L
Capacity: Up to 45 lbs.
Waistbelt Width: 1.5”
Waistbelt Circumference: 28” – 48”
Dimensions: 27” x 12” x 9”
Weight: 3 lbs. 8 oz.

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