SHOE MUST HAVE REMOVABLE INSOLE; Not designed for tight fitting dress, casual shoes, or boots; Works best with active shoes such as athletic shoes, cleats, lace up hiking or work boots or most other shoes that have a removable insert. RTP Carbon
fiber inserts are MADE IN USA, Carbon
fiber material is used because of its light weight, stiffness, durability, allowing a very thin insert to stiffen the shoe protecting the foot. FOR PROPER FIT CARBON
FIBER INSERT MUST not be longer than your foot, measure foot standing; If in between sizes or half sizes round down to smaller size; If necessary, measure in inches and use the ruler in the images to determine the appropriate size in centimeters; to fit the stiff carbon
fiber in the shoe, the insert should be ¼ - ½ inch (approximately 1 cm) SHORTER than removable soft insert in shoe. INSERT MUST BE PLACED DIRECTLY UNDER THE REMOVABLE SHOE INSOLE OR UNDER ORTHOTIC; Our inserts are prescribed by sports orthopedic surgeons, sports medicine physicians, podiatrists, chiropractors, athletic trainers, and physical therapists; Used by used by professional, college, high school, and recreational athletes, as well as active people such as hikers, walkers, and laborers. MAXIMUM STIFFENING INSERT WITH TRACE/MINIMAL FLEXIBILITY Carbon
Fiber Insert SOLD AS A SINGLE PIECE, NOT AS A PAIR; HARD, FLAT CARBON FIBER INSERT can be used in EITHER RIGHT OR LEFT SHOE BY SIMPLY TURNING PRODUCT OVER; helps with pain with daily activities with mid-foot arthritis, advanced hallux rigidus post-op care of foot and toe surgeries, or other conditions requiring minimal movement of the foot; Not recommended for athletes to compete in.