Rubber covered playgrounds are considered safer for falls.[0] However, it's not just for kids, recycled substrates for athletic facilities are very popular. Thi

Rubber covered playgrounds are considered safer for falls.[0] However, it's not just for kids, recycled substrates for athletic facilities are very popular. This shoe manufacturer recycles some of its products just for that purpose.[1] [0]https://www.calrecycle.ca.gov/Tires/Products/Types/Playground/ https://www.calrecycle.ca.gov/Tires/Products/Types/Playgroun... [1]https://www.nikegrind.com/ https://www.nikegrind.com/