Im going to be purchasing a SEAK rain jacket but Im unsure what size to get. Ive read that it tends to run big but I also want to accomodate for layering if need be. I would also like for my bino harness to fit in as well which I think is the tricky part of the sizing. Im 6ft 245lbs and wear a 2XL in FL shirts. I called FL to get their opinion and the rep told me I should go with an XL but he didnt sound too convincing when I asked if my bino harness would fit under the XL. I came here to see if any of you had any experience on sizing with a bino harness.