Mountain Flyer UL Backpack Pattern - 40 L Spacer Mesh not athletic)

not athletic)

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49 grams (Hook) Load Bearing NOT designed for load bearing applications

The Dyneema grid also results in exceptional underline

Hip Belt Pouch Kit instructions - Click HERE (updated 8/4/17)

Mountain Flyer UL Backpack Pattern - 40 L Spacer Mesh not athletic)Description Note We're currently updating some of the labels within the digital delivery package to explicitly state "40L". The contents (material lists, sequence of construction, etc) are all correct and updated for the 40L build, but some spots may still say "34L". Sorry for the confusion! RBTR The 40L Mountain Flyer UL Backpack is a great place to start your DIY ultralight backpack journey. The backpack is light weight and relatively simple to