Lightweight and durable Osprey Kestrel 48 backpack, featuring an ergonomic design for a comfortable fit. - Brand: Osprey - Model Name: Kestrel 48 - Color: Black - Size: 48L - Features: Lightweight and durable material - Design: Ergonomic design This is a popular 48L size. 38L is too small... I purchased this item but have kept it in storage without using it. It has been stored for about a year. There may be some dirt from storage, so I do not recommend this for those who are overly concerned about condition.