North Shore Saddlery

RJ Classics Sienna 37.5 Women's Training Shirt

RJ Classics


NEW from the RJ Classics 2022 Summer Collection!

The women’s RJ Classics Sienna 37.5 Schooling Shirt with 37.5® technology gives ever rider that classic, yet sporty look that will never go out of style. 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 the life of the product (it will never wash out!).


  • 37.5® thermoregulation technology
  • Main body fabric has UPF 50 sun protection
  • Tonal mesh underarm panels
  • Machine washable

Colors: Classic Navy, Grey Fog, Sky Blue, Mallard Green

Women’s Sizes: XXS, XS, S, M, L, XL, XXL

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