15-20 mmHg ZIPPER COMPRESSION GRADE – Provides 15-20 mmHg zipper compression support for all day leg swelling and fatigue recovery. PLUS SIZE EXTRA WIDE CALF SUPPORT – Extra wide support for bigger calf and better fit around the leg. REDUCE FATIGUE & INCREASE CIRCULATION – Helps with leg fatigue and increase circulations for better support throughout the day. HELPS WITH LEG SWELLING & RECOVERY – Reduce swelling and helps with better leg movement for more energize legs. SOFT COMFORTABLE MATERIAL ALL DAY RELIEF – Stretchy material for better fit and comfort with all day relief.