Nathan running vest

This review is based on three weeks of product testing. During this time, the pack was used on ten outings, approximately 80 miles of running and one 20k rollerski.  Since my introduction to endurance sports in high school, my two loves have been running and cross-country skiing. After moving to the Roaring Fork Valley in Colorado in 2012, a mecca for trail running, I took to running in the mountains and dipping my toes in...