Knast by Krutter overalls are certified Oeko-Tex 94% cotton 6% elastane. Original designer cool koala print, zip down front for easy access, with elasticised ankle. The under arm opening is a generous cut, to allow for comfortable play. This is a flexible overall/jumpsuit option, great with short sleeves in warmer months, but ample room for multiple layers underneath in the cooler months. Made in Greece. $64.95 superb quality fabric and garment!