EVS TUG Sleeveless Shirt This sleeveless compression base layer is perfect warm weather riding. It is engineered to actively compress muscles to reduce the buildup of lactic acid, thereby enhancing endurance during long rides. Features: Lightweight, breathable moisture wicking fabric Ventilated Lycra mesh back panel for increased airflow Elastic shoulder attachment loops for race collar compatibility Provides rash protection 4 way stretch Kwik-Dri fabric wicks sweat from skin and helps regulate core temperature 4 way stretch airflow mesh fabric on back panels