Teknic Mercury Leather Pants Features Leather pants with pre-curved knees 1.2-1.4mm perforated goatskin Stretch Cordura panels Airtex anti-bacterial, non-allergenic nylon mesh interior Knox Lite CE knee protectors in Advanced Armor Pockets Foam padding in coccyx, hip and femur Fully perforated TASC stitching system Double row stitched fly zipper for increased strength Stretch panels in knee and seat area Stretch webbing waistband 2nd Layer of goatskin in seat and knees Seamless Full Motion leg stretch system YKK nylon coil zippers YKK full circumference connecting zipper 8 YKK zipper also included Comfort ankle edging Hook n loop adjustable waist belt Cotton lined pocket Note Pants do NOT ship with knee sliders.