Nike | Men's ACG Dri-FIT Mid-Layer 1/4-Zip Trail Running Top - Black/Black/Summit White Float We recommend wearing a sweat-wicking

We recommend wearing a sweat-wicking running top underneath the Nike Swift Repel Running Jacket

as this should reduce the chances of friction

Most importantly

17 days of battery life for daily use/45 hours of full GPS

side pockets - one with key clip

Nike | Men's ACG Dri-FIT Mid-Layer 1/4-Zip Trail Running Top - Black/Black/Summit White Float We recommend wearing a sweat-wickingThe Nike Men's ACG Dri FIT Mid Layer 1 4 Zip Trail Running Top is warm and breathable. ACG stands for All Conditions Gear. Featuring a waffle knit design and stretchy poly wool blend fabric, this Nike top is ideal for runs in cool and mild conditions. Dri FIT technology moves sweat away from your skin for quicker evaporation. While this Nike ACG Top has been designed with trail running in mind, it's also a great option for road runs. Fit Guide The