Designed to provide support to stiff, weak or injured ankles. Wear during activities which lead to discomfort. Support level 1: Provides light compression, support and therapeutic heat retention to help relieve symptoms associated with minor sprains, strains and arthritis. Breathable, dual-stretch power knit materials for comfort. Comfort panel reduces bunching behind the heel. Anatomical shape for optimal fit. Fits comfortably in shoe. Product Benefits.