The Callaway Women's Opti-Therm Base Layer Set is a top choice for golfers who want both warmth and flexibility. Made with Callaway's Opti-Therm fabric, this set provides excellent insulation while still allowing for a full range of motion. The long-sleeve top has a zippered mock neck for adjustable coverage, and the leggings have an elastic waistband for a comfortable fit. The set is also moisture-wicking, helping to keep you dry and comfortable on the golf course. With its combination of style and performance, this base layer set is a great addition to any golfer's wardrobe.