US$ 22.88
buy osprey bag Aura AG 50 Women's Backpack, Tungsten Grey / M/L free recycled bluesign Patagonia Atom Sling Bag The Magnet Group Model:TSAWSS-1102H
Patagonia Atom Sling Bag in Black | 48262-BLK
Hydration There is a hydration pouch outside at the backside of the pack that allows up to 3 liters of hydration bladders
The Magnet Group
Model:TSAWSS-1102H
Other than that, most of the fastenings are plastic side release clips which are surprisingly durable, or zips with decent tags to pull on so you don’t have to rely on buying tacky keyrings (just kidding, you can still buy the tacky keyrings)
free recycled bluesign