What is overalls of sheepskin or leather, usually open at the back, worn, esp. by cowboys, to protect the legs from thorny bushes, as in the chaparral; -- called also chapareras or colloq. chaps. [Sp. Amer.] called?

chaparajos — Overalls of sheepskin or leather, usually open at the back, worn, esp. by cowboys, to protect the legs from thorny bushes, as in the chaparral; -- called also chapareras or colloq. chaps. [Sp. Amer.]. (Webster's 1913.)