👑Protocol King Tee – Research Royalty Edition product image (4)
👑Protocol King Tee – Research Royalty Edition product image (11)
👑Protocol King Tee – Research Royalty Edition product image (13)
👑Protocol King Tee – Research Royalty Edition product image (22)
👑Protocol King Tee – Research Royalty Edition product image (29)
👑Protocol King Tee – Research Royalty Edition product image (33)
👑Protocol King Tee – Research Royalty Edition product image (42)
👑Protocol King Tee – Research Royalty Edition product image (44)
👑Protocol King Tee – Research Royalty Edition product image (4)
👑Protocol King Tee – Research Royalty Edition product image (11)
👑Protocol King Tee – Research Royalty Edition product image (13)
👑Protocol King Tee – Research Royalty Edition product image (22)
👑Protocol King Tee – Research Royalty Edition product image (29)
👑Protocol King Tee – Research Royalty Edition product image (33)
👑Protocol King Tee – Research Royalty Edition product image (42)
👑Protocol King Tee – Research Royalty Edition product image (44)

👑Protocol King Tee – Research Royalty Edition

¥3,842 JPY

Step aside, lab coats. The Protocol King has entered the building.
This shirt is for the men who dominate the data, command the CRFs, and still make it to the site visit on time. Whether you're monitoring, managing, or making protocol magic happen — this is your crown.

  • Ultra-soft cotton fit for kings

  • Bold design, built for respect

  • Perfect for site visits, conferences, and casual flexes

Because when the protocol speaks, you answer — like a king.

Select Color: Black

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More details

  • 100% ring-spun cotton
  • Heavyweight fabric (6.1 oz)
  • Pre-shrunk
  • Relaxed fit

Size & Fit

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Quality Guarantee & Returns

  • Quality is guaranteed. If there is a print error or visible quality issue, we'll replace or refund it.
  • Because the products are made to order, we do not accept general returns or sizing-related returns.

👑Protocol King Tee – Research Royalty Edition Size Guide

Size guide preview
Size label Length Width Sleeve length
S
26.62
18.25
16.25
M
28
20.25
17.75
L
29.37
22
19
XL
30.75
24
20 1/2
2XL
31.62
26
21.75
3XL
32 1/2
27.75
23.25
4XL
33 1/2
29.75
24.63

Dimensions are supplied by the manufacturers. Variations in product dimensions may occur and could be up to 2 inches (5 cm).

Helpful hint! Take the dimensions of an item you own and use it as a benchmark against the sizes listed in this guide.

A Length

Set the starting point of the tape measure at the base of the collar on the top edge of the item (at the high point shoulder). Extend the tape to the bottom edge of the garment.

B Width

Position the tape measure's starting point at the seam beneath the sleeve and extend it across the item to the seam under the opposite sleeve.

C Sleeve length

Start measuring from the top of the shoulder seam, continue along the arm to the end of the sleeve.