The lining is heat-retaining and windproof, providing considerable warmth. This is a men's size S that my family bought online, but it was too small when tried on, so I've been wearing it. It fits like a women's size M to L. I haven't worn it on the course, so I think it's in very good condition, but please refrain from purchasing if you are concerned about minor details. Measurements (laid flat): Width: 50cm Length: 62cm Sleeve length from shoulder seam: 62cm Sleeve length from underarm: 45cm #Beams Golf Ladies