Cobra kai is a dojo run by sensei john kreese martin kove an ex special forces vietnam veteran who trains johnny lawrence william zabka to be a lethal fighter this is an officially licensed productltbr gtltbr gtt shirt design reads cobra kailtbr 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