Provides an exceptional amount of freedom in your sleep position while still maintaining a comfortable fit and effective seal. Small and quiet, the slim design allows for almost any sleeping position without the mask becoming dislodged. Innovative 360 degree pivotal ball and socket elbow connection allows for a great deal of overall adjustability. The progressive air diffuser system is very quiet, reducing the amount of noise and draft from the exhaust flow. Light as a feather on your head; weighs just under 2 ounces. Pillows allow for easy and comfortable fitting and a premium seal. The contours in the new shape and design of the pillows ensures even more comfort. Includes Hidden Strap Release for simple one step removal for cleaning and it allows you to take it apart and put it back together without the need to re-adjust the straps. Silicone Seal is soft on the nose and the built-in Soft-Lip Cushion actually conforms to the shape of the upper lip naturally for maximum comfort. The seals have a soft, smooth feel and are easy to slide into position while their frosted texture optimizes the mask seal.