Activa Sheer Therapy Maternity Pantyhose come in a sheer, nude color and are available in five sizes (A, B, C, D, & Q). These pantyhose are made especially for pregnant women that require compression support, 15-20 mmHg. The compression hosiery increases circulation throughout the legs as compression decreases. Activa Sheer Therapy Maternity Pantyhose helps alleviate discomfort associated with pregnancy by reducing swelling and pain in the feet and legs.