adidas SQ21 TR JKT Y The adidas SQ21 TR JKT Y boys’ football sweatshirt is ideal for trainings or cardio in colder weather. The absorbent fabric with the AEROREADY technology wicks sweat away from the skin. The sweatshirt features a slim fit offering maximum comfort and freedom of movement. A minimalistic design allows you to adorn it with team details. adidas SQ21 TR JKT Y