Give yourself a boost When everyday life starts to give you more stress than you can handle, the simple solution involves a trip to the gorgeous Saks in Heston. With the Saks Boost package, you can put the spring back into your step in no time at all. Soak up the relaxing ambiance from the moment you arrive and let our dedicated therapists soothe your mind, body and soul.. Full use of the leisure facilities. Complimentary use of towels . Arrival from 10am. Back, neck and shoulder massage 30 minutes. Taster facial 30 minutes.