A quick guide to barefoot running

Children relaxing on green grass in the backyard. Close-up of children's bare feet outside. Little girls barefoot lying on the lawn on a warm summer day.

Bare feet of little girl sitting on green grass. Happy children playing outdoors in spring or summer park. Fun at field.

A little girl with bare feet on the grass. Sandals in the summer, hot summer and rest. Green grass, for children, lawn near the house. The little one likes to walk barefoot on the grass.