The sizing is way off based on Overstock's recommendations of going by Chest size. The XXL is only 46.5", instead of 50-52" on the men's size guide, so you may want to choose 1 or 2 sizes bigger than you'd think for even T-shirts, let alone a jacket.The sleeves and jacket length on the XXL aren't even long enough to match the sizing chart, either. Also, You can barely see it in the picture, but there are huge "TFUK" for "Toxic Fish UK" letter outlines embroidered in the same color into the upper back, so watch out!