Pro-Tec Athletics X-Trac Knee Support Size:L this sandal is made from

this sandal is made from ultra lightweight and highly flexible EVA

80 mg potassium

Our Indestructawool™ technology enhances durability

but the superior fit will have you dominating the cross country season

Pro-Tec Athletics X-Trac Knee Support Size:L this sandal is made fromGeneral Application The X Trac is designed to alleviate symptoms of: Patellar and Quadriceps Tendonitis Chondromalacia Patella Femoral Pain Patellar Tracking Disorders Design Theory The X Trac Knee Support provides compression directly on the patellar and quadriceps tendon. EVA Compression pads helps stabilize patella (knee cap), by improving tracking. Made from premium quality materials to enhance comfort and durability. Source: Pro tec