Moisture transport system wicks the sweat from your body keeping you cool and dry
Basegear's heat-release mechanism keeps your skin surface as cool as possible to help maintain core body temperature (increases in core body temperature can cause muscle fatigue and slow reaction time)
Fabric is 50% lighter than a cotton T-shirt after 60 minutes of exercise
It releases 80% if its moisture after 30 minutes of rest, while cotton only releases 35% of its moisture after 30 minutes of rest
All seams flat-stitched for added comfort under layering system
UV 50+ protection from sun elements, helps control body temperature to reduce fatigue
Size Chart for the First Gear Long Sleeve Base Layer Top
Please measure the circumference of your chest using a cloth tape measure and add 1" if the measurement is an odd number to get to the next even number and choose your size from the chart below. Please note all measurements are in inches.