The World's first Handcrafted Cryotherapy Hat Designed specifically to improve your Cryo experience, the Cryo Hat is a variant of our original Hot Tub hat, designed specifically to protect your head, hair, and ears during Cryo sessions. Each Cryo Hat is hand-crafted to exacting specifications in northern Sweden, and comes in a wooden box, along with a certificate of authenticity. Thanks to its unique shape, special fabric, and elastic band, the Cryo hat locks moisture out, and keeps heat in. By stabilizing your overall head temperature, the hat helps improve yoru cryo experience - and reduce the chance of cold headaches both during and after session. Unisex and machine-washable. Sizing: Large/Medium: 58-63cm (23-25in) Medium/Small: 53-58cm (20-23in)