Whether she rides pillion or up front treat your gran to this awesome design shes sure to own it with pride artwork and design copyright push merchandising ltdltbr gtltbr gtt shirt design reads biker grandma like a normal grandma except much coolerltbr gtltbr gtour crew neck short sleeved mens t shirts are 100 premium cotton in a soft pre shrunk jersey knit our womens t shirts are lighter weight 150g tees made with deluxe 30s soft style yarns for a soft feel