As a matter of fact I've tried on the purple as well! I happened to see them both in a shop while on holiday, tried them both on (one of my overseas friends had been lusting after it in purple as well, so I sent her all the photos and we both bought them online, her purple and me yellow).
It's just a shell but the material feels quite burly. Fit is good, there is plenty of room at the hips so it is easy to zip up. I can measure the hips of my S when I get home if that is relevant to you. I probably could have got the size XS but I got the S so I'd have more room for layering, and I've just been enjoying slightly looser fits for my shell outerwear lately!
Pockets - those two square pockets are fine for keys and snacks, probably phone too but I tend to keep my phone in my pants thigh pocket. The vertical chest pockets actually have a decent amount of room. They're slightly funky, the pockets take up this whole area:
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- so you sort of have to stick your hand in and twist it around because of the direction they're accessed. They work fine though. I've put my phone in that pocket too and the pocket is wide enough that my phone ends up resting horizontally (samsung s10e). It takes me a few seconds to get it out because of the pocket angle but it's still okay.
There's a sleeve pass pocket too of course, and I think that's all the pockets.
Photos from the shop:
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(it looks really huge in that last one but it's the same size as all the other photos and it looks normal when moving around and stuff haha! room for layering XD)
And thank you!!! I'm super happy with it, love the jacket.