R.J. Classics Kids Sienna Jr Top custom_0016 Once the activation temp of

Once the activation temp of 37 degrees is reached it will release water

Look no further for socks with a fun horse design for your young horse enthusiast

designed to allow your horse to move freely

·          Machine washable

R.J. Classics Kids Sienna Jr Top custom_0016 Once the activation temp ofThe 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