The Mayo GAA Training Vest features an eye-catching design so you can stand out while staying cool during intense training sessions or warm weather. Crafted from our high-performance Koolite fabric, this sleeveless jersey utilises catch, move and release nano-technology to transport moisture away from the skin. High performance koolite fabric Sleeveless jersey Official Mayo GAA crest Sponsor logo O’Neills branding Colours: Black / Royal / Mint Model wears size UK Medium Mayo GAA Training Vest Black / Royal