RJC Ruby 37.5 Sleeveless Training Shirt Size:XS ASTM F1163-15

ASTM F1163-15

Features three D-rings for easy attachment of training aids

Intended for daily grooming all year long

The interchangeable button design (additional silver buttons included) allows for an alternate look

• Machine washable

RJC Ruby 37.5 Sleeveless Training Shirt Size:XS ASTM F1163-15The Ruby is the perfect choice for the warmest of days because of its sleeveless styling and its 37. 5 technology. This patented thermoregulation technology has proven to help your body manage its core temperature and therefore, increase stamina. It keeps you comfortable by helping your body to maintain an optimum core temperature of 37. 5 Celsius (99. 5 Fahrenheit) which is ideal for peak athletic performance. The particles are naturally derived and