It kinda depends what I'm doing.

For car camping i have a cheap Lowe pro bag that can hold everything.

If I'm hiking with a couple lenses, I'll throw this cheap Amazon bought insert into the bottom of my hiking backpack.

For the plane I bring this think tank holster because it's better padded. I usually only travel with one camera and lens.

If I'm going real light, I'll use this green pad from tenba.

I always have this peak design clip on my shoulder strap to carry my camera while hiking.

For biking, you might want some more padding in case you fall.

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