Designed specifically for spatial awareness and interaction through balance and resistance. Experience your body in a new way with this Body Sox by increasing body awareness, strength and creativity. Body Sox also creates a protective and imaginative space. Teachers use Body Sox to demonstrate concepts of shape, space and visual motor coordination. Each pillow case-like sack is constructed from four-way stretch Lycra® with a reinforced Velcro-closed entrance.Size S (from 1m to 1.2m) Size M (from 1,20 to 1,40m) - Size L (from 1,40 to 1,70m) - Size XL (from 1,70 to 1,90m).