Lime green and black baseball pants / uniform pants with a lime green and black boombah shirt. The shirt is the Under Armour style dri-fit style material. Shirt is size YXL but is the same size as adult small and pants are size adult 28W 30L  and have stretchy elastic waist. See photos for measurements. Pants waist stretches to 29" waist

(Pants do have a small hole in right knee, see photo with penny for scale)