Our Heated Golf Softshell Vest is a must for every women on the golf course with a classic cut fit. This golf vest is great worn over a light shirt or under another outerwear piece to keep the chill out. Now you can enjoy cooler weather like never before by turning on the warmth with the touch of a button! Key Features: Made of lightweight Windshark® 4-way stretch, waterproof, breathable windproof fabric Optimum placement of three heating panels keeps the upper body muscles warm and loose Battery features built-in 4-level thermo-regulating controls Includes one 7.4V rechargeable lithium-ion battery and charger Provides up to 10 hours of comfortable warmth while Elastic underarm stretch panels for added flexibility Conforms with USGA rules Full Power Setting 135°F = ca. 57°C, lasts up to 2.5 hours 75% Power Setting 120°F = ca. 49°C, lasts up to 3 hours 50% Power Setting 105°F = ca. 41°C, lasts up to 5 hours 25% Power Setting 90°F = ca. 32°C, lasts up to 10 hours