SoulCold Plunge

Discover the benefits of cold therapy with the Finnmark SoulCold™ Plunge, a premium single-person immersion tub designed for serious recovery. Paired with a powerful built-in chiller, it precisely regulates the water to deliver consistently cold temperatures, ideal for muscle recovery or cooling off after a long day.

Finnmark Designs has long established the benchmark in personal therapeutic wellness through its advanced line of infrared sauna kits and proprietary Spectrum infrared heating technology. Today, the company extends its legacy of innovation and expertise into the contrast therapy market with the launch of the SoulCold™ Cold & Hot Plunge Tub.

Experience the Ultimate in Contrast Therapy

Why choose between ice and heat when you can have both? The Finnmark SoulCold Cold & Hot Plunge is engineered for high-performance recovery, combining commercial-grade durability with a luxurious, consumer-friendly design. Whether you are setting up a premium home wellness sanctuary or upgrading a commercial spa, the SoulCold delivers an unmatched hot and cold contrast therapy experience. Enjoy a bracing cold plunge as low as 34°F or a penetrating hot bath up to 108°F.

Cold Therapy and Shock Proteins

When you submerge your body in freezing water, the sudden temperature drop triggers a powerful survival mechanism that releases “cold shock proteins”. These specialized molecular helpers act like an internal repair crew, working rapidly to protect cells from stress, reduce systemic inflammation, and accelerate muscle recovery. By stabilizing cellular structures and promoting the synthesis of new proteins, this natural cold shock response helps the body build long-term resilience against physical stress while boosting metabolic efficiency and mental alertness.