(I recommend you order a size UP)
The Core Disciplines of Personal Protection.

Strength and Conditioning, Grappling, Striking, Contact Weapons, Medical Skills, and Pistolcraft. Centered around the main hub of a Lifetime of Learning.
Do The Work.

These are custom made by FUJI, who make great rashguards and gis. They do run tight (even for rashguards), so I recommend you order a size UP when deciding.