Ja 1 'Day One' (2023)Shop the Nike Ja 1 'Day One' (2023). With the introduction of the Nike Ja 1 Day One, a new era in Nike Basketball has begun. Ja Morant, a guard for the Memphis Grizzlies, got inspiration for his distinctive Day One sneaker from his formative years of basketball in South Carolina. The Cobalt Bliss leather and mesh uppers of the Nike Ja 1 Day One are placed on top of Citron midsoles. The insole of the left sneaker and the tongue of each sneaker include