Kids Luca Tee Butterscotch by Assembly Label. The Kids Luca Tee is a lightweight short sleeve knit made for warmer days. Crafted from a natural cotton and linen blend, this kids tee features a comfortable fit, classic crew neckline and a soft, breathable feel. Match this colourful knit tee with the Kids Luca Short. 55% Linen, 45% Cotton