This is the Hiker's ALPHA VEST from atelierBluebottle. It's a lightweight vest made with Polartec ALPHA DIRECT that keeps your core warm. It's easy to carry, and is very convenient for this season as an extra layer of warmth when it's cold, or to throw on over a T-shirt on a chilly summer mountain hike. It's also stylish. ● Size M size (Although there is no tag, it is 44.0cm shoulder width / 51.0cm body width / 70.0cm length according to the manufacturer's website). I am 168cm tall with an average build, and it fits perfectly. ● From the manufacturer's website: This is the first vest we've made at atelierBluebottle. It features the breathability that is characteristic of Alpha. If it's a little cold, you can wear a jacket or shirt over it to stay warm, and the high neck also functions like a neck gaiter. Unlike wool, it dries quickly and quickly wicks away moisture from your inner layers, and the excellent wind permeability prevents heat and moisture from building up. It's an item that can be used throughout the year. The armholes have a clean, streamlined design. It comes with a storage bag and is very compact. ● Color SEA MOSS It's a dark green color. ● Condition Worn a few times and home-cleaned. There are no stains or fraying. Please understand that this is a used item before purchasing.