Abilitations Body Sox is designed to for spatial awareness through balance and resistance. Watch children explore the three-dimensional space they individually occupy. Experience the body in a new way with this body sox by increasing body awareness, strength and creativity. It features a snag-free hook & loop opening. Provides comfortable pressure to those with special needs, especially autistic children. Produces an experience of "I can see you, but you cannot see me", which increases the sense of personal safety, loosens inhibitions and stimulates a spirit of play. Each sack is constructed from 4-way stretch LYCRA that opens/closes with hook-and-loop material.