RJC Sienna Jr 37.5 Schooling Top Size:XL Meets or exceeds ASTM F1163-15

Meets or exceeds ASTM F1163-15 standards

Re-enforced carry straps

Three interior compartments are split to fit and secure spray bottles

3″ side gusset

however nothing that would be seen while riding

RJC Sienna Jr 37.5 Schooling Top Size:XL Meets or exceeds ASTM F1163-15The Sienna Jr. with 37. 5 technology is the perfect schooling style for even our youngest of R. J. Riders. The 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 work for