Quote Originally Posted by Odd Man Out View Post
WRT DEET damaging synthetic materials, Picaradin is an alternative that is as effective but won't damage gear and less irritating to skin.
+1. Go for 20% Picaridin. FYI, neither DEET nor Picaridin are particularly effective against ticks, relative to Permethrin. I recommend treating clothies with Permethrin and skin with 20% Picaridin.