Innovative insulation meets rugged round-to-square design with these bold and stylish triple-insulated steel bottles that will absolutely turn heads at the office, coffee shop, or PTA meeting. Stay hydrated all day with the biggest HammerHead of them all.
Insulated stainless steel
Keeps liquids cold for 35 hours, hot for 15 hours
Zero condensation or swear
Insulated large-mouth cap for filling and cleaning
Insulated narrow-mouth cap for sipping and drinking
