Premium Gym Membership starting as low as $50/month. Our Premium Membership includes our Group X Classes, including Balance Barre , in addition to 24 hour access to our amazing gym. Come and take a tour of our facility or call during our staffed hours for more information: Gravity Fitness And Tennis 1970 Woodside Blvd Hailey, ID 83333 24-Hour Fitness Staffed Hours: M - F (7-7), Sat (8-Noon)