The fabric wicks away perspiration, leaving the skin dry and the body warm.
The garment accentuates the body's ability to regulate body temperature.
The seamless knit reduces sources of chafing.
Ease of use
The thumb hole has changed based on your feedback. It stays closed on your arm.
The elbows are thicker so that impacts with the floor after tackles are gentler.
Freedom of movement
The four-way-stretch fabric feels like a second skin.