Wigens Swedish Flap Crochet Wool Lined Unisex White Knit cap at Robert Frost Fine Footwear and frostshoes.com. Wigens Flap Crochet hat is fashionable and functional. Synthetic wool inner lining for warmth. Natural white merino wool knit shell is machine washable. Aviator style unisex flap hat is brass wigens logo adorned. Wigens flap crochet skull cap in white wool is one size fits most at Robert Frost Fine Footwear and frostshoes.com.