The 3M Kerraped Plantar Ulcer Off-loading Therapeutic Shoe System in size L, UK 8-10, is a lightweight and comfortable shoe system designed for indoor use. Its straight staircase design and one-speed feature make it suitable for individuals looking for a therapeutic solution for plantar ulcer off-loading. The black colour adds a sleek and modern touch to this medical and mobility equipment. With the trusted brand of 3M, this shoe system offers a reliable and supportive option for those in need of extra assistance with their mobility and walking. Bought new and never used, only opened box to check contents, see pics