Is this jacket warm enough for winter?

It is a synthetic-insulated puffer with a hood, so it handles cold, dry days and layering over a sweater. It is not a waterproof shell, so wet weather is not its strength.

What size is it and how does it fit?

It is an XL with a boxy cut: 24 inches pit to pit, 20 inches pit to cuff and 25 inches collar to hem. Check those numbers against a jacket you already own, since the fit runs roomy.

What condition is it in?

It is used and has a small hole in the hood. Expect general signs of wear beyond that.

Does it have a hood and pockets?

Yes, it has an attached hood. The listing does not detail pocket layout, so confirm with the seller if pockets matter to you.

How does it compare with a technical puffer?

It is a simpler fashion-sport puffer: warm insulation and a hood, but no waterproof membrane, packable pouch or adjustable baffles. It suits casual use rather than mountaineering.