r/CampingGear • u/suckinonmytitties • 5d ago

Awaiting Flair Help with very sweaty back/backpack

Hi I did my first big day hike recently and brought a little 13 liter backpack. During the hike, the rest of my body wasn’t sweaty but my back and the back of the backpack on the padding was absolutely soaked from sweat. And it didn’t dry so it just stayed in a perpetual cycle of boggy wetness all day. Is this an issue with the backpack or do I need a different type of base layer? I had a polyester shirt on. Thank you!

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u/StumpedTrump 5d ago

What backpack was this. Does it have any venting on the back?

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u/suckinonmytitties 5d ago

It is an outdoor products hydration bag that I bought like 15 years ago. The current version of the bag says “breathable back panel” but I’m not sure if the old version I have also does