The seamless one-piece interior of a hand-felted Cult of Sauna hat with no stitched joins

careconstructioncontent-labsauna hats

Every Seam in a Sauna Hat Is a Hole in the Insulation

Stitched sauna hats fail first at the seams. Why a seam is a thin line in the insulation, how long a sauna hat really lasts, and how to make yours last longer.