Fuckin’ Slayer! is the battle cry of legions of metalheads all over the world. Epic, genre defining and ground-breaking, these guys take no prisoners and do whatever it takes to reign in blood.
Battle-tested
More than 25 million happy customers since 2009.
Stackable storage compartment
Carry your protein powder separately.
Leak-proof
100% guaranteed by our Smartshake™ Warranty.
BPA and DEHP Free
Safe for the environment and yourself.
US/EU shipping – Just 4,99€/$