Here is a list with links for all of the available belt loops and pins in the Sports program. Click on the sport for the requirements for that award. Each link also contains a worksheet that can be printed off to keep track of his progress.
Snow Ski and Board Sports
(Note: Each of these links take you to the U.S. Scouting Service Project website. This is a great site with TONS of information for parents and leaders. Link to their main page is on the right.)