Men's Two-Tone Felt Wool Dervish Cap - Grey BlackProduct Description: Made from natural wool felt, the Dervish Felt Cap is a special model that combines traditional form with modern comfort. Its standard size fits all head shapes. Thanks to its wool construction, it offers both lightweight and durable wear. Features: Natural wool felt material; Retains heat, prevents heat loss; Keeps you warm in winter and cool in summer; Does not easily absorb rain or water, does not get wet easily; Non allergenic