hi,

is it also easy to replace lenses at valve like most oakley sunglasses or is it tricky like mag switch magnesium?

i ask because i wait for my 1st valve w/black irid but i will replace black to fire. thx!

it is incredibly easy. I've replaced my bronze/Ti polar lenses several times with no issue.

so like the most like frogskins, monster dog, hijinx etc.

thx john! =)