Official 2020 2021 arsenal training shirt, available to buy online in adult sizes s, m, l, xl, xxl, xxxl, xxxxl.this training shirt forms part of the arsenal 2020 2021 training range and is manufactured by adidas. This training shirt is yellow in colour.arsenal training shirt yellowthis adidas arsenal training jersey is crafted with short sleeves and a crew neck for a classic look, while the aeroready technology wicks sweat away from your skin and dries quickly to maximise comfort and the mesh panelling boosts ventilation to keep you feeling cool. The top features the clubs iconic crest so you can show your appreciation for the gunners and the adidas branding completes the design.product code fq6189 seller uksoccershop