4.1 oz., 100% polyester Double Dry; front; 5.4 oz., 100% polyester twill interlock back; 4.1 oz., 100% polyester mesh piecing; Double Dry; anti-microbial finish fights bacteria & odor; wicks away moisture & controls moisture build-up; tagless, self-fabric collar, neck tape & raglan sleeves; contrast color piecing & reflective "C" logo on left sleeve;