OTTO International, Inc. has been a leading worldwide manufacturer of quality headwear for over 50 years. 

From innovative designs to the meticulous attention to detail that goes into every stitch, the quality that has made us an industry leader is a difference you can see and feel.

Each OTTO brand product is matched, shaped, and sewn, to give you the easiest, smoothest, and most stable surface for embroidery and screen printing. The durability built into them ensures that your customers can enjoy their caps and apparel for years to come.

Large inventories of OTTO caps are ready to ship from their three distribution centres located in California, Texas, and Georgia.


OTTO website


OTTO Catalogue 2024 (interactive pdf)

OTTO Catalogue 2024 (pdf)


OTTO Standard Cap Sizing Chart



OEKO-TEX® Standard 100 (pdf)

WRAP Certificate 2020 (pdf)

ISO9001 Quality Management System Certificate 2022 (pdf)

ISO14001 Environmental Management System Certificate 2022 (pdf)

ISO18001 Occupational Health and Safety Management System Certificate 2022 (pdf)

SMETA - Sedex Members Ethical Trade Audit Report - available on request



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