50% Acrylic / 50% Merino Wool Thermal Keeps You Warm Extra Soft Fabric Blended Fabric Allows For Ease Of Care Opti-Therm Technology Providing An Extra Layer Of Thermal Comfort Swingtech™ Fabric Ribbed Collar And Cuffs Callaway Tour Logo On The Left Chest Odyssey Branding On The Right Sleeve Machine Wash