Under armour heatgear traning baselayer vest top mens enjoy training in comfort in this under armour heatgear traning baselayer vest top a sleeveless design with a crew neck compression fit flatlock seams incorporated heatgear technology to keep you feeling cool dry and light and finished with under armour branding to the centre of the chest mens baselayer vest top sleeveless crew neck compression fit flatlock seams heatgear technology under armour branding