The shirt is made of moisture-wicking fabric. The shirt also has a regular fit with a slightly loose fit that allows for plenty of freedom of movement. I found this shirt to be very comfortable and breathable, it kept me cool and dry throughout the loop.
INFLATION Bamboo Shirts Sleeve Elastic Men's Clothing in Shirts
45 Review
Van Heusen Traveler Stretch Men's Shirt
47 Review
Men'S Long Sleeve Polo Shirt - Slim Fit, Stretchy, Breathable Collar
43 Review
Gildan Performance Men's π Clothing and Shirts with Moisture-Wicking Polyester
44 Review