Size: I usually wear an XL shirt and an XXL sweatshirt/jacket. The XXL was good but definitely too big and the XL was perfect (even with the shirt underneath). Material: quick drying, warm yet lightweight. longer than wide. This makes it impossible to wear a flag patch as it will not snag on things or display most flags incorrectly. I wish that wasn't a problem and I thought about bringing it back. Overall: Good value for money with a small downside.