well im not sure about youth but if u want the lightest cleat out there now...i would say the Adidas scorch competition...or .9 ounces more are the nike vapor jets 4.2
The lightest are the Adidas Scorch line but they suck. You want to use Nike Vapor Jet 4.2 Or Nike Carbon Vapor Fly. If you want even lighter cleats that are under 8 ounces and are still good. Use...