Native Eyewear Ambush Sunglasses - Get a FREE Native Keep Your Noggin Warm Beanie when you order any pair of Native Sunglasses. Just add the sunglasses and color beanie you want to your cart, enter code , and we'll take care of the free hat thing. The deal is NOT good on orders placed at Moosejaw Rewards. Sorry about that part. The Native Ambush sunglasses are built to get down and gritty. Real gritty. These pair of Native sunglasses feature a venting system to eliminate that nagging fog stuff.