Real Tree D609 BRN 59-17The best way to field test a new product is to use that gear. Period. A long road trip adds to the challenge. As travel goes, a zippered hard case comes with the glasses, which I simply slipped into my carry on bag (twice tagged by and surrendered to airline officials as I boarded little jets). Hunting with a handful of different dog breeds, through birdy brush, swamp and edge cover, my new pair took a beating. As is typical of me, I once forgot they