This guide breaks down SPF vs UPF, explains UVA/UVB exposure at altitude, and shows how to build a complete protection kit using sunscreen, sun hoodies, hats, lip balm, and sunglasses for high-elevation environments
Experience tells me that after a few years of heavy use, Pinlock lenses start leaking allowing small amounts of dust inside the viewing area
The outer layer features a two-shell Polycarbonate coating for lightweight but strong protection
You dont want to overload one side of your body
But overall, although the X.01 is slightly louder than average, Im surprised it isnt louder, and the outstanding air flow is definitely a worthwhile tradeoff