As the day evolves, evolve with it in the ThermoSeries Fleece Base Layer! It allows you to adapt to changing conditions on and off the golf course. Add warmth when the weather cools and remove when it heats up. The non-restricted fabric conforms to the body and helps retain warmth. Additional fabric benefits include breathability to allow airflow, moisture wicking to prevent sweat build up, antimicrobial properties to keep you smelling fresh, and 4 way stretch for comfortable wear and movement with ease.