For the adventure traveler the backpack is the most important gear. It usually gets stuffed with clothes, Swissknife, food, equipment etc. but supposing you're about to undertake a trek to the Himalayas or the Alps you will need more than just the regular stuff. You will need Oxygen! So how about a backpack that includes a battery-powered oxygen generator. O2 Bag from Japanese adventure supply company, Ymup comes equipped this. The battery lasts up to two hours, time will play a crucial factor while using this pack.
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