Callaway Soft Shell Weather Series Mens Thermal Windproof Golf Jacket OPTI-THERM: Callaway Opti-Therm fabrics are designed to withstand the cold and provide a layer of thermal comfort Reflective Callaway logon on wearers right sleeve 100% polyester Clear gel Chevron on centre back OPTI-REPEL: Callaway Opti-Repel garments resist wind and water creating a barrier of protection against inclement weather