At Caltech, the commencement ceremony is a formal ritual with specific guidelines for academic attire. According to the Institute’s “Academic Regalia” page, the academic dress for doctoral recipients features Caltech’s signature blue velvet cap, robes trimmed in blue velvet, and a blue velvet doctoral hood lined in a chevron pattern of orange and white.California Institute of Technology Bachelor’s and Master’s candidates wear the standard black gown and black mortarboard cap. California Institute of Technology For undergraduate students, an additional optional accessory is a coloured stole or tassel representing house affiliation or Caltech pride—for example, orange stoles for Caltech identity, or house coloured stoles/house-coloured tassels for residence houses such as Avery, Blacker, Dabney, etc. California Institute of Technology Regalia ordering deadlines are strictly enforced; the 2025 commencement information notes that graduating students must wear the appropriate bachelor’s, master’s or doctoral regalia and order their cap, gown, stoles and house tassels online by a stated deadline (e.g., April 18) to participate.Caltech Commencement Faculty regalia follow conventional academic-dress conventions: faculty wear gowns, hoods and caps linked to their highest earned degree and alma mater, and appropriate dress instructions including dark shoes and dark lower garments are provided for faculty participants. Caltech Commencement In summary: Caltech’s academic regalia set — cap, gown, tassel — varies by degree level and honours house or institutional affiliations. Bachelor’s and Master’s candidates use black robes and caps, while doctoral candidates have blue velvet robes and hoods trimmed in blue, lined orange and white chevron. Undergraduate accessory stoles and house-related tassels allow affiliation expression. For graduates purchasing or ordering regalia, it’s essential to confirm their house colour, stoles or any accessory colours prior to purchase to ensure compliance with Caltech’s commencement guidelines.

Caltech Cap & Gown Set – Official Academic Regalia

This set includes the graduation gown, cap and coordinating tassel aligned with Caltech commencement guidelines, with optional house-coloured stole/tassel for undergraduate affiliation. A complete academic regalia set for your milestone.

• Standard graduation gown and cap — Bachelor/Master: black; Doctoral: blue velvet trimmed in blue. :contentReference[oaicite:9]{index=9}
• Tassel & accessory options: Standard tassel unless undergraduate selects house colour; house stoles/tassels available (white, silver, green, red, gold, blue, maroon, navy). :contentReference[oaicite:10]{index=10}
• Stole options: Undergraduate house stoles correspond to house colours; verify your house affiliation before purchase.
• Faculty regalia option: Gown, hood and cap reflecting highest earned degree and discipline; dark shoes and lower garments required. :contentReference[oaicite:11]{index=11}

Note: To confirm the exact colors of the graduation gown, cap, tassel, honor cords, and stoles for your specific program at California Institute of Technology, you can reach out directly to the college's administration or the office responsible for commencement and student services. They can provide you with the most accurate and up-to-date information regarding academic regalia.