5 Gifts We Know Will Be on Every CrossFitter's Wish List

Considered the "Bible" of mobility, this 400-page behemoth of a book is written by Dr. Kelly Starrett, a physical therapist and owner of San Francisco CrossFit. The book has descriptions and pictures to help athletes provide basic maintenance on themselves with foam rollers, balls, voodoo floss, and other gadgets to loosen tight muscles and tackle what may be contributing to restricted joint range-of-motion and injury.

$60, Amazon.com