PO.P Flexisize smart features: The adjustments are hidden in a small pocket on the inside of the legs. This helps to avoid the risk of the child getting stuck when the garment is put on and off. The garment has several adjustment positions, which means it can grow with your child. Your child will never wear a garment that is too large for them What size do I choose? The size specified on the garment is the smallest size of the garment. If your child is 104cm tall, buy size 104. Then the garment can grow up to 1.5 sizes based on the specified size. A garment that is, for example, size 104 can grow to be 113cm in size. The garment is delivered in its largest position, completely unadjusted.     Waterproof to 12,000mm with fully taped seams - 100 waterproof jacket material for all day play in torrential rain and snow Abrasion resistance >5,000 - this coat is tough enough to withstand years & years of outdoor play Breathability >7,000 to ensure active children are comfortable BIONIC-FINISH ECO water repellence, an eco-friendly technology free from PFCs Pre-shaped knees for the best fit and freedom of movement 3M Scotchlite reflectors for 360-degree visibility even in dark conditions Premium quality YKK side zip for easy on/off Adjustable and detachable braces Adjustable waist with buttonhole elastic Foot stirrups age 2-8yrs