This is a leather down jacket from AVIREX. The collar is made of knit material. I have worn it a few times after purchase. I think the condition is good. The size is M. Thank you. Black down jacket with a stylish collar. - Brand: AVIREX USA - Size: M - Color: Black - Design: Down jacket - Features: With collar Thank you for viewing. Color...Black系 (Black-based) Stains, tears, odors, etc...None Material (filling)...Down, Feather Shoulder width/Body width/Sleeve length/Length Shoulder width...48cm Body width...58cm Sleeve length...63cm Length...67cm