Polar Grid X. The updates are scheduled to be released towards the end of. The Polar Grit X outdoor multisport watch is an uncompromising combination of rugged and durable yet lightweight design top training features and the support of Polar Flow the ultimate training platform.
This feature allows you to know how much time you can rest before going to work out again. Polar Grit X has passed several MIL-STD-810G tests including extreme temperatures drop and humidity. Besides Grit X has a long battery life.
Go beyond and back.
Go beyond and back. The Grit X has built-in GPS and Glonass a compass altimeter and optical heart rate monitor. POLAR Grit X - Rugged Outdoor Watch with GPS Compass Altimeter and Military-Level Durability for Hiking Trail Running Mountain Biking and Other Sports - Ultra-Long Battery Life Green ML 41995. Polar Grit X White at Amazon for 39795 While hardcore endurance runners will find its limits and there are several to speak of the Polar Grit X should satisfy the needs of most outdoor.