Like a warm, heavy embrace, this Deep Pressure Sensory Vest is a true comfort for children who need it. Two-piece designed vest is made from durable 2 mm perforated neoprene that is breathable and helps wearer maintain a comfortable body temperature. Created to increase child's body awareness, calm nerves, help promote attention and concentration, reduce fidgeting, and more. Hook-and-loop closures on the shoulders and sides provide a wide range of adjustability. The side closures can be adjusted in 2 sections to suit a variety of body shapes. Fits over most clothing. Measure around the chest for sizing purposes.