Thank you! Yeah, thats also what im worried about. I exercise every day and my wrists do swell slightly whenever I am hot, bloated, or its summer lol. In hold weather I'm sure the 15 would be perfect but Im not so sure for other timesI would go with the 16 as I don't think the 15 will be comfortable for your wrist size, if you're planning to wear it without taking it off. Also it will be more comfortable esp during warmer weather and when you're exercising.