The Callaway Women's Opti-Therm Base Layer Set is a reliable choice for women golfers who want to stay warm and comfortable on the golf course. This set includes a long-sleeve top and leggings, both made with Callaway's Opti-Therm fabric technology. The fabric is designed to provide excellent thermal insulation, keeping you warm even in cold weather conditions. The base layer set also features moisture-wicking properties to keep you dry and comfortable throughout your round. With its lightweight and breathable design, this base layer set allows for a full range of motion during your swing. Stay cozy and focused on your game with the Callaway Women's Opti-Therm Base Layer Set.