Replacement cushion with clip for the Mirage SoftGel or the Mirage Activa LT CPAP Masks. ResMed market studies show that 8 out of 10 patients rate the Mirage SoftGel better in comfort and durability than other gel masks. A double gel cushion with the soft clear gel layer feels unbelievably comfortable and snug. The blue gel layer adds support and stability. Mirage SoftGel adjusts easily to the contours of your face to provide a leak-free seal.