Buy a Garmin 2.5 to 3.5mm Jack Adapter online. For more information or to view more Altimeters, click Next Altimeters. To go back, use the current page links below. Altimeters and other winter sports equipment and supplies can be found at Snow & Ice Sport Shop at a discount! Scroll down for pricing, descriptions, reviews and more. Shop at Snow & Ice Sport Shop online and avoid the run-around often required for hard to find winter sports gear. Use our Product Search tool to locate specific boards, boots and poles. Thank You for visiting Snow & Ice Sport Shop!