# Stig Plunge Tub | Recessed or Freestanding Cold/Hot Tub > The Stig is a multi-person cold plunge available in recessed or freestanding format. Seats 4–6, external whisper-quiet equipment, 41–104°F range. Built for private or commercial spaces. Source: https://www.symmetrysauna.com/plunge-tubs/stig · Updated: 2026-06-09 Stig A spacious hot + cold immersion bath designed for shared contrast therapy — available in recessed or freestanding forms Savoia di Perla Stig Stig brings hot + cold immersion into a generous shared format designed for residential, hospitality, spa, and commercial wellness environments. Available in recessed or freestanding styles, it pairs sculptural stone, clean-water systems, integrated lighting, and precise 41–104°F temperature control with the quiet performance of external equipment. 41°-104°F Integrated tech Indoor + outdoor Integrated lighting 4-6 Person Recessed Freestanding UV sanitation raw natural materials Stone, wood, light, & water. Every Stig is designed as an architectural object first. Natural stone surfaces, tactile wood cladding, illuminated lighting, and a sculptural basin create a bath that feels built into the room, terrace, spa, or landscape — not simply placed there. bg-beige Choose your materials 80+ options shaped from concrete, stone, marble, metal & wood. Each finish is suited to outdoor use and pairs to your Symmetry tub at the time of order. Hot & Cold therapy One bath. Sixty‑three degrees. Loki's chiller/heater system holds any temperature from 41 to 104°F to within ±0.5°. Drag the dial below to discover when and why. Ice bath Cold shock zone. 1–3 minute exposures for recovery, focus, and the deepest contrast effect. - best for mornings, pre-work out - Energy 5× norepinephrine boost - Mental clarity - resilience Cold Plunge The sweet spot for cold exposure. 2–5 minutes builds cold tolerance and accelerates recovery without the shock. - Best for post-workout recovery - Reduces inflammation and soreness - Improved circulation + mood Cool Therapy A mild cool-down that eases you into cold exposure. Comfortable enough for longer sessions of 5–10 minutes. - Best for beginners and wind-downs - Gentle nervous system activation - Supports sleep quality Tepid Recovery Neutral water temperature closest to your body. Extended soaks of 15–30 minutes for passive recovery without thermal stress. - Best for active recovery days - Joint and muscle relief without shock - Low barrier entry for cold plunge beginners Hot tub Warm water immersion for deep muscle relaxation and joint relief. 15–30 minute sessions to loosen up before or after training. - Eases joint stiffness and muscle tension - Increases blood flow to aid recovery - Promotes relaxation and improved sleep specifications Every detail, considered. Designed from every angle inside and out. lighting Ambient LED, inside and out LED strips line the interior and exterior of the bath. Adjust brightness and warmth wirelessly with the included remote. No wiring visible, no switches exposed. integration Equipment separated External equipment cabinet (952 x 745 x 650mm / 37.5 x 29.3 x 25.6 in, 120 kg / 265 lbs) houses the chiller, heater, and filtration. Whisper-quiet operation, placed up to several meters from the tub. Out of sight, always running. sizes Two sizes. Two formats. Recessed L: 190 x 180 x 41cm (up to 4 people, 1150L). Recessed XL: 210 x 200 x 41cm (up to 6 people, 1350L). Freestanding L: 190 x 180 x 100cm (up to 4 people, 1150L). Freestanding XL: 210 x 200 x 100cm (up to 6 people, 1350L). Net weight ranges from 400–590 kg depending on format and finish. temperature 41°F to 104°F. Full range. External chiller and heater with up to 75% energy savings. Cool to 5°C for cold plunge or heat to 40°C for hot soak. Same performance as integrated models, housed in a separate cabinet. Materials Stone, wood, and precision. Choose from over 80 finishing options. Natural stone interiors paired with thermo-treated ash or custom cladding. Every surface is selected for durability, feel, and resistance to moisture and temperature. Form Recessed or freestanding. Flush-mount into a deck or patio for a built-in look, or place freestanding as a standalone piece. Both formats available in L and XL. Designed for indoor or outdoor installation, private or commercial. Filter Double filtration. UV sanitation. Dual 1.5 micron filters combined with integrated UV sanitation and skimmer. Optional water quality monitoring and automatic water sanitation. Four filters included, two spare. Clean, clear water with minimal upkeep. Control Wireless. Simple. Temperature and lighting controlled via wireless remote. Set your target temperature, adjust your lighting, and let the system maintain itself. No app required, no complexity. Drain Connected. Ready to go. Integrated tap water connection with overflow. Waste water and water hose connections included. Standard plumbing hookup, no custom work required. Engineered for indoor & outdoor use. Ardesia Bianco Private residence Pietra Grey Private residence Invisible White Private residence Choose your technical configuration Two configurations Loki is available in two technical configurations. The integrated system keeps the equipment built into the bath for a streamlined, self-contained installation. The external system places the equipment in a separate cabinet or technical room for quieter operation and more flexible placement. 01 Integrated Recessed The recessed configuration is designed to integrate into decks, terraces, spa floors, and custom wellness spaces for a seamless low-profile installation. Great for residential and commercial indoor and outdoor spaces. 02 External Free-standing The freestanding configuration brings Stig’s shared immersion experience above grade, creating a sculptural bath for spaces where a built-in installation is not preferred. Great for residential and commercial indoor and outdoor spaces. Dimensions L: 190 × 180 / 4 people Volume L: 1150L / 300 gal Weight 1150–1210 lbs Dimensions XL: 210 × 200 / 6 people Volume XL: 1350L / 355 gal Weight 1150–1210 lbs residential & commercial Personal wellness. Pro performance. Stig at home Home wellness retreat. Plug-and-plunge installation means no equipment closet, no technician visits, no compromise on placement. The bath lives where the rest of the home lives — on the terrace, in the bathroom, beside the fireplace. Stig for business Commercial-grade. Specified by gyms, recovery studios, and hotel spas. The integrated tech pack means no service room, no second cabinet to design around, and no unplanned downtime between clients. A daily plunge rewires the nervous system & the day around it. +250 % Dopamine release Sustained dopamine elevation for hours after a cold immersion. Mood, motivation, and focus follow. +350 % Metabolic rate Brown adipose activation and a measurable lift in metabolic output during and after the plunge. +530 % Norepinephrine A controlled stress response that sharpens cognition and trains the body's recovery system. 11 min/wk For full effect Eleven minutes of total cold exposure per week delivers measurable physiological adaptation. −47 % Recovery time Athletes report nearly halved soreness and recovery duration after intense training sessions. +29 % Sleep quality Consistent users report deeper, more restorative sleep — particularly when plunging in the evening. −22 % Inflammatory markers Lower circulating inflammation correlates with reduced joint pain and faster muscle repair. +16 % Immune resilience Regular cold exposure is associated with reduced sick days and improved immune cell activity. Build your Loki From system to surface. Choose your technical configuration, material expression, and finish palette with guidance from the Symmetry team. From all-in-one simplicity to flexible placement with external equipment, from full stone to layered wood and light. Choose your configuration Integrated technical pack or separate external equipment. Each configuration has its own footprint, volume, and installation approach. Choose your material expression Full stone, stone + wood, or layered mixed-material detailing. Choose your finish Select from 80+ architectural finishes across stone, wood, and custom material applications. installation style Recessed or freestanding Select a recessed model for a seamless built-in expression, or a freestanding model for a bold surface-mounted presence. size Choose your size Choose the L format for up to four people or the XL format for up to six people. materials Choose your finish Select from 80+ architectural finishes across stone, wood, and custom material applications. 3/2 Better living starts here Talk to a consultant. We'll walk through your space, finishings, electrical, and budget - and confirm whether Stig is the right bath for you. Request a consultation The bath collection Hot & cold plunges, one philosophy. Compare the collection side by side — then choose the one that fits your space, aesthetic, ritual. Loki Plug-and-plunge · 1 person Thor Deep plunge · 1 person Stig Hot tub for six · Recessed or freestanding Tiik Plunge pool · Outdoor Custom Plunge pool · Outdoor the perfect balance Sauna + plunge Pair your cold plunge with a Symmetry sauna for the full contrast therapy experience. Designed for residential and commercial spaces, each sauna is tailored to the environment, the ritual, and the way you want to recover. A compact hot + cold immersion bath designed for daily contrast therapy, quiet performance, and architectural presence. Choose an integrated technical pack for an all-in-one setup, or a separate equipment cabinet for installation flexibility and a more peaceful bathing experience.