New from Callaway’s collection comes the Ribbed V-Neck 100% Merino Wool Sweaters featuring Opti – therm technology. Callaway’s Opti-therm technology has been incorporated into the fabric with the cold weather in mind; it has very high thermal properties and provides the wearer with a layer that will protect against the cold weather conditions. The Sweaters are made from 100% pure Merino wool and feature a V-neck to the front panel. The Sweaters have ribbed cuffs and hems and the range has a choice of eight colours. The Callaway Tour logo can be seen displayed on the right sleeve and sizes are from Small to XXL.