For those of you wearing OR and Sitka gaiters, how big are they in the calf area? The OR website didn't seem to mention a size there and I haven't looked at Sitka yet. With 18-19" calves, it's tougher to find gaiters that fit well. The pair of Kennetreks I have barely fit but are super snug and the Kuiu Yukon XL's are no better. I'm thinking I'm shit outta luck unfortunately.