Sunglasses tend to fall into one of two categories: 1) stylish frames designed for everyday wear and 2) technically advanced frames with lenses that can help your vision.

If you're in the market for a pair of sunglasses that fits both categories, and may even help you on the golf course, Sundog's new H Drive III glasses are worth a look.

Designed with the assistance of Hunter Mahan (right) —a rising star on the PGA Tour and a member of the 2007 Presidents Cup team — the H Drive III's lenses are designed to sharpen your vision without distorting colors in low light  or bright sunshine. So, there's no reason to take them off to read putts. The lenses also protect your eyes from the sun's harmful rays.

One last golf-friendly feature: The light-and-flexible frames do not extend below the lenses, so they won't distract you when you're trying to keep your eye on the ball. --David Dusek (Images: Sundog Eyewear; Mahan, Michael J. LeBrecht II/1Deuce3 Photography)