Activa Class I Below Knee Sock Closed Toe 14-17 mmHg Black Large Activa Class I Below Knee Sock Closed Toe 14-17 mmHg Black Large Activa Class I Below Knee Sock provides graduated 14-17 mmHg British Standard compression to help support circulation in the lower leg. Designed with a closed toe and a comfortable below-knee fit, it is suitable for managing superficial or early varicose veins and swollen ankles. Class I compression hosiery may also be recommended for certain people at risk of deep vein thrombosis (DVT), including during long-distance travel. This large black compression sock combines effective graduated compression with a discreet, everyday appearance. For the best fit and therapeutic benefit, it is recommended that compression hosiery is measured and fitted by a healthcare professional. Product Features Class I graduated compression hosiery. Provides 14-17 mmHg British Standard compression. Below-knee length. Closed toe design. Colour: Black. Size: Large. Suitable for superficial or early varicose veins and swollen ankles. May help reduce the risk of DVT in appropriate at-risk groups during long-distance travel.