Sondico marvel baselayer top junior boys designed for young sportsmen the sondico marvel baselayer top has been crafted with a crew neck short sleeves and a gripped waistband with opivent active ventilation technology for a breathable wear and a recognisable character design to the front with sondico branding to one sleeve junior boys baselayer top crew neck short sleeves gripped waistband opivent active ventilation technology character design sondico branding s