The new Attipas Running in blue for babies and children are very cool. They look like slippers and are ideal for summer! Fabric made with BAMBOO FIBER. This fabric provides greater softness and breathability to the baby's foot. Attipas shoes are ergonomic, light and flexible, they give balance and stability helping your baby to walk gradually. Perfect footwear for little ones to feel comfortable as when they walk barefoot. Ideal for the little ones when they start to walk, when they are in kindergarten..... Size Guide: 19 (Foot size 96-108 mm) 20 (Foot size 109-115 mm) 21.5 (Foot size foot 116-125 mm) 22.5 (Foot size 126-135 mm) The main features of the ATTIPAS are: 1. Comfortable Evenly distributes foot pressure. Heel support, preventing the formation of flat feet. They give balance and stability, helping to walk gradually. 2. Breathable Ability to breathe. Easy washing and fast drying. 3. Wide Toe Free movement of the fingers, which improve cognitive and motor development. 4. Anti-slip insurance. Non-toxic and very resistant materials. Its unique qualities, together with the diversity of models, make Attipas an ideal product, perfect for little ones to feel as comfortable as when they walk barefoot.