I really like my Yukon Kuiu gaiters. Not too pricey, have performed excellent. Looks like they're a very similar style to the outdoor research ones Bean mentioned as well, with the ones he recommended being a little lower in price even
I really like my hamskea hybrid hunter pro. I switched from a whisker biscuit last year when I got a new bow and looked at a few different forums to see what people liked. It seemed like a lot of people like the hamskeas and I've been happy with mine. I also have it attached to the limb instead...