Suunto Ambit2 S Watch | Red Tactical this water backpack is perfect

this water backpack is perfect for keeping you hydrated and cool

Face: 1 9/16" (42 mm) across

Case Material: Polycarbon

The shoulder and chest compression straps will keep the orange and gunmetal hydration pack securely in place while out on your adventures

Suunto Ambit2 S Watch | Red Tactical this water backpack is perfectThe Suunto Ambit2 S with optional Heart Rate Monitor is designed for the multi athlete. With GPS and advanced features for running, biking, swimming and more, the Ambit2 S is a sports warrior. Customize your sports watch with thousands of Suunto Apps to perform at your absolute best. With a light and sleek design, the Ambit2 S red is built to train with you anywhere. [Details] Full featured GPS (SiRFIV v2. 2) Adjustable GPS fix rate (1 s, 60 s)