Short & Sharp Wins the Race Research suggests that 1–2 minute daily plunges can be more effective than marathon ice baths done occasionally. You get steady progress without pushing your body into shock. Consistency Builds Resilience Your body thrives on rhythm. Regular short plunges can enhance recovery, sharpen mental clarity, and keep your mood elevated all week long. SISU: Cold Made Convenient Forget the ice runs and constant refills. SISU keeps your water at the perfect temperature 24/7 so your plunge is always ready—whenever you are.