San Diego Hat Company in Carlsbad designs and distributes fashion headwear and accessories for women, men, and children from a 50,000-square-foot headquarters on Whiptail Loop in the 92010 business district. Founded in 1993 after the creation of the Original Cotton Crochet Hat during a sourcing trip to Bali, Indonesia, the company grew from a San Diego garage into a global wholesaler now stocked in major department stores and over 3,000 specialty boutiques — a retail footprint extending into corridors anchored by the Carlsbad Premium Outlets. Core collections include UPF 50+ sun-protection hats, ribbon-trimmed styles, structured fedoras, floppy silhouettes, and cold-weather knits, updated on a seasonal rotation. Sub-brands Four Buttons and Bay Sky extend the catalog into value-priced trend pieces and accessories including scarves, bags, and tunics, broadening distribution channels beyond headwear-only retailers. The Whiptail Loop campus sits in the same Carlsbad east-side industrial corridor that houses institutional employers like the Gemological Institute of America, concentrating design and distribution operations near Palomar Airport Road. Signature production includes the original cotton crochet hats still handcrafted in the same Balinese village where the first prototype was woven in 1993.