Palumbo Patella Tracker Small Medium Stand Up Assists Pantyhose * Classic Black * MSHQ 84306 Pantyhose * Classic Black * 30 40 mmHg * Large * Ankle Circimference 10 11 3 8 Thigh Circumference 21 1 4 30 3 4 * Hip Circumference 32 54 * Beautifully sheer hosiery Durable long lasting * Sandalfoot styling * Gradient compression for relief and prevention of venous disease * Therapeutically effective sheer lightweight and fashionable * 20 X 18 * The contoured design combined with the simple operation of the ISOFLO© Memory Control unit offers provides a new level of postural control and stability that has never been achieved in an air cushion * The contoured design positions the pelvis back in the wheelchair and centers the individual comfortably in the middle of cushion * The ISOFLO Memory Control unit locks air into each of the four compartments providing stability by minimizing side to side and front to back motion * Adjustable to individual Floating lateral bracing pad maintains patellar position during flexion 8 thick neoprene