both sleeves
Refers to the left and right sleeves of a garment together. Often used when describing actions involving both sleeves, such as rolling them up or getting them wet.
He rolled up both sleeves and started working.
雨で両袖が濡れてしまった。
Both sleeves got wet in the rain.
Compound of 両 (りょう, 'both') and 袖 (そで, 'sleeve').