artsac workshop mini backpack Patchwork Extended Travel (4–7+ Days) red lining. Calvin Klein Puffer Utility Style:Bold & Bright

artsac workshop mini backpack Patchwork Extended Travel (4–7+ Days) red lining. Calvin Klein Puffer Utility Style:Bold & Bright

Calvin Klein Puffer Utility Roll Top Backpack, Black

They replied–“Our list of materials are proprietary, however I can inform you that we use High grade materials consisting of polyester, taslon, elastic.” Turns out they don’t display this information on the website because it’s top-secret

Extended Travel (4–7+ Days)

Style:Bold & Bright

It’s no sub-1-pound frameless sack, but it nails the average load range well, and there’s plenty of room for bulkier kit in winter if you need it

red lining.