The left sleeve is called "Imuke-no-Sode" (sleeve of shooting direction) while the right sleeve is called "Mete-no-sode" (sleeve of horse controlling hand), the left sleeve, which is facing the enemy, is made stronger.
左の袖を射向の袖（いむけのそで）、右の袖を馬手の袖（めてのそで）と呼び、敵対する左の袖の方をより堅牢に作ってある。