Sauna Felt Hat Black Heat-Shielding

Exact dimensions: 22.5 × 22.5 × 16 cm — engineered for maximum head volume coverage and stable thermal air gap. Material: 100% pure wool felt, compressed to optimal density — firm enough to hold shape, soft enough to conform gently. Weight: approx. 120 g — lighter than two standard bath towels yet significantly more effective at thermal buffering. The felt’s natural crimp and scale structure create passive insulation that slows heat conduction without sealing off airflow — critical for avoiding thermal shock when entering or exiting high-heat zones. Surface remains cool to touch even after 20 minutes in 80°C ambient, thanks to wool’s high specific heat capacity and latent evaporation effect. Designed for multi-environment reliability: performs identically in dry saunas, steam rooms, hot tub lounging, and heated yoga studios. Stores flat or hung — retains dimensional accuracy after 50+ uses with no warping or edge fraying.