Reversible down vest with heat function, comfortable and stylish. The size is M, but it's a snug fit, so it might be good for those who usually wear a size S and have a slim build. Length: approximately 55cm The temperature control has 4 settings and warms up in about 20 seconds. The reverse side is a thin fleece fabric. It's only been used once, so it's in good condition, but please understand that it's been stored at home.