The Comfortiva Compression Chevron 12 - 14 mmHg graduated compression sock is the perfect choice for an active lifestyle, travel, pregnancy and at work. The sock features an ultra-soft microfiber blend, non-binding welt top band that gives a superior fit and a comfortable heel and toe pockets. It promotes healthy blood circulation, aids in reducing swelling and fatigue due to prolonged periods on sitting. It minimizes the risk of varicose and spider veins. It fits up to 20-inch calf size.