Men's Adizero Dropset Cross Training Shoe Core Black Footwear White Core Black Regular (D) Size:10 your foot is on the Size:M 8.5 W 10 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 Coined after its slip resistant sole for those who demand speed and stability Inspired by insights from athletes