Even if you’re not making a resolution this year to exercise more and be healthier it’s not a bad way to kick off the year. I recently purchased a heart rate monitor and it’s been eye opening to see how hard — and sometimes, how not hard — I am working out. It’s a great motivation tool during your workouts and if you’re someone who likes lists and numbers and feelings of accomplishment, you should treat yourself to one.

$50 at Rei.com