Double the capacity of the 32oz Sport Canteen. the 64oz Sport Jug is made to keep you going through it all. For extra thirsty adventurers to weekend warriors. on-the-field sports enthusiasts to all-day beachgoers. this heavy-hitter will keep your liquids cold for 25 hours or hot for 12. Plus. it features a new. Jug Lid for easy drinking on the go.