Simple and stylish black sneakers. - Brand: KNEESUP - Color: Black - Style: Sneakers Purchased on Amazon last year. Wore them for about 3 days, each time for a short period to half a day, to see how they felt. I replaced the insoles with different ones starting from the second day. (From the product page) Walking shoes designed to address knee problems have arrived! Function ① Joint development with academia and medical professionals: MCCS MCCS (Medical Cushion Control System) was developed jointly by academia and medical professionals! This MCCS structure is also patented! Function ② MCCS structure When weight is applied to the heel, the MCCS flexes, tilting from the outside to the inside, reducing the burden on the knees. Function Description Function ③ Structure designed for stability Asymmetrical heel core for increased stability during landing Three-dimensional insole that conforms to the sole of the foot for improved fit Thick sole for increased cushioning Rocker sole outsole for smooth braking and acceleration while walking! Thank you for viewing. Color...Black系 (Black-based) Stains, tears, odors, etc.... None