Buy from Amazon.co.uk : http://www.amazon.co.uk/gp/product/B002Z0BTNA?tag=1001consej026-21

Ronhill Junior Pursuit Jacket - Fluorescent Yellow / Black 7 - 8 Years

100 polyester fabric treated with water repellent - keeps the weather at bay till you end your run
Ventilation - Back mesh vent for added breathability
Zipped Pockets - Keep your hand warm with two zipped hand-warmer pockets
Adjustable Hem - To give you extra flexibility on fitting
Fabric - 100 polyester - treated with water repellant