Our kids gumboot socks are made from 80% soft merino wool. These merino socks an an essential clothing item for busy kids who love to explore the outdoors. These are our thickest terry style merino socks that will keep little toes warm no matter how many puddles get jumped in. Our socks are thickest around the foot to provide extra reinforcement and overall snugness but wont feel too bulky around the ankle and leg so little legs can still be easily slipped into gumboots for outdoor play. The socks have a soft band stitched into the top which helps the socks to stay up but will not cut into growing legs. All our merino socks are super comfortable and will not irritate young, sensitive skin.