It would seem that the hairs on the hairies are too fine to function in the same way as fishscales and enable a simple mechanical kick. It's quite possible that I could be wrong here, but I'd like to present another idea on how hairies work.
An alternative to the Casco Nordic Eyewear is Salice's Nordic Shield. I've had an opportunity to train and race in a pair for the past three weeks and thought I provide a review of these value leaders.
UPDATES! Wax recommendations from Fast Wax, Solda, Swix and Toko for the weekend's Michigan Cup (and other) races. Says Swix's Pete Edwards: "Looks like it will be warmer and wetter on Saturday and cooler/drier on Sunday."