CASTELLI Competizione Men's Bibshort portable massager Planning and Analysis Features HR WP5BJY2 Planning and Analysis Features HR ZONES 🗸 HR ALERTS 🗸 HR CALORIES 🗸 % HR MAX 🗸 % HRR 🗸 RECOVERY TIME 🗸 AUTO MAX HR 🗸 MORNING REPORT 🗸 RACE GLANCE WIDGET 🗸 HRV STATUS 🗸 TRAINING READINESS 🗸 HR BROADCAST (BROADCASTS HR DATA OVER ANT+™ TO PAIRED DEVICES) 🗸 RESPIRATION RATE (DURING EXERCISE) yes (with compatible accessory) GPS SPEED AND DISTANCE 🗸 CUSTOMIZABLE DATA PAGES 🗸 CUSTOMIZABLE ACTIVITY PROFILES 🗸 AUTO PAUSE® 🗸 INTERVAL TRAINING 🗸 IMPROVED INTERVAL (INCLUDES OPEN REPEATS And you'll certainly appreciate that the fabric on the back blocks more than 90 percent of UV rays Temperature:15°C 35°C 59°F 95°F Mesh straps for comfort and breathability