The Garmin Swim is the ultimate swimming companion. Despite the sleek. lightweight design. the Garmin Swim is packed with features to improve your performance in the pool. The Garmin Swim uses an accelerometer to detect your stroke type. distance. pace. and much more. The Garmin Swim will also provide a SWOLF score evaluating your swimming efficiency to help you improve your performance. The Garmin Swim is currently retailing for $149.99.