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

the wear and tear from toes is reduced

Fully adjustable breathable mesh hand strap with chafe-free thumb hole that enables grip-free running

Two top-access slip pockets

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