Polar has released a brand new model in their heart-rate monitor line, the RS300x Series.  It comes in three different variations:

RS300x: standard heart rate monitor

RS300x G1: heart rate monitor plus GPS speed and distance system

RS300x SD: heart rate monitor plus SD foot pod speed and distance system (useful on both treadmills and outdoors)

Check out all of our Polar products here: SayvilleRunning.com Polar Products

Check out all of our watches and heart rate monitors here: SayvilleRunning.com heart rate monitors and watches

DS-Trainer fans,

The highly anticipated Asics Gel-DS Trainer 14 has just arrived at Sayville Running Company.  Check it out: