The KewlFit Performance Enhancement Cooling Vest is specifically designed to help you train harder, perform better and maintain a high level of comfort throughout your workouts. The vest maintains 58DegreeF regardless of ambient climate to keep core temperature down before, during or after workouts. Research confirms cooling the body helps increase endurance, improves performance and aids in overall workout comfort. KewlFit Performance Cooling Vests are great for any athletic activity from your daily strength and conditioning exercises to your warm-up and cool down on game day.