Ultra 6 Ultimate Kidsuper X CP FG Soccer Cleat Puma White Pink Lilac Ducky Blue Regular (D) Size:9.5 your foot is on the R1 BLACK your foot is on the ground rather than in flight and lets you check your running symmetry) No Auto max HR Yes Daily suggested workouts yes (limited) Training load focus No Compatible with Varia Vision™ (head mounted display) No HR alerts Yes Foot pod capable Yes Compatible with Vector™ (power meter) No Training Effect (anaerobic) No Abnormal Heart Rate Alerts yes (high and low) Phone free text messaging No Vertical speed No Lactate threshold (through analysis of your pace and heart rate time and pace Yes Daily Resting Heart Rate Yes Auto goal (learns your activity level and assigns a daily step goal) Yes Garmin AutoShot™ No Fitness Age Yes Nitrox support No Unit to unit route location sharing No FTP (Functional Threshold Power) No Dive ascent descent rate indicator No Built in barometer and tide tables No Assistance Yes Race predictor Yes Stealth Mode No Finished with a grippier more locked in