Whether you recommitted yourself to yoga at the beginning of the year or never stopped practicing, new gear helps give you a little boost for reaching your goals. A new mat bag, a headband that always stays put, or the perfect yoga socks might even help you take your practice to the next level. Stretch longer, hold that pose just an extra minute, or even try that class that's always intimidated you!   LAYERS KEEP YOU COMFORTABLE BEFORE CLASSSpring might be around the corner, but...