TOMMY BAHAMA Mens Half-Zip Thermal Sweater - Brown 100% Authentic TOMMY BAHAMA merchandise, satisfaction guaranteed! Very high quality fabric: 75% heavy weight thermal cotton, 25% nylon; Machine washable. Half zipper front; Cuffs and hemline snug up the fit and create a cozy feel against your skin. Embroidered Tommy Bahama? logo at the center back neck. Great sweater you will love and wear for a long time!