There are two calf sizes available, M/L and L/XL. The cool part is there is enough Velcro to really customize the fit.
Definitely go for the M/L if you have thinner calves.
I have thrown away a pile of OR crocs over the years. I usually ran into the velcro closure at the toe delaminating within the season. I would shoe-goo it back to together, but then the velcro wouldn't stick, etc. Also, the fit is kind of weird on me and the strap buckle ends up so low on my...
These things are burly.
Ounce counters will probably stick with replacing lighter-duty gaiters every season or two, but gear abusers are really going to appreciate the durability of the T and Ks.
I’m not defending Zeiss’ customer service, but this is a curious case.
I have never heard of optics of any type “developing scratches.”
I have heard of coating failures, although those typically present as “bubbles” or spots. Scratches are, as the term implies, caused by physical contact...
My take is included here:
https://www.rokslide.com/kowa-prominar-66a-review/
I don’t think most hunters will see a benefit of using the extender in most conditions.