You can't. Oakley has discontinued making them and have no parts for the original half wire models. Oakley 800-403-7449

Oakley offer Men's Sunglasses and WoMen's sunglasses at discount rate. just find any coupon on Oakleyand get your discount.

Oakley goggles can be found at numerous retailers all over the internet. The first place to look is on Oakley's official website. Other retailers that sell Oakley goggles are Sports Authority, Dick's Sporting Goods and Backcountry.

There are many good locations to purchase Oakley Half wire glasses. One of the most affordable spots is the online website eBay, since they are sold used.

Well, normal bottlecaps are in the shape of a circle, right. Oakley bottecaps are square and also pentagons. So no there is no differance.