PROBLEM TO BE SOLVED: To provide a band capable of surely binding the forearm, and facilitating attachment, readjustment and removal with one hand.SOLUTION: A band 1 includes: an annular buckle 5 a belt-like base body connected to the buckle 5 a belt-like inner band 7 extended from the base body a belt-like outer band 8 extended from the base body, branching from the inner band 7 a first hook part 10 formed on the external surface 7a of the inner band 7 facing the outer band 8 a first loop part 11 formed on the internal surface 7b of the inner band 7 a second loop part 12 formed on the tip of the external surface 8a of the outer band 8 and engageable with the first hook part 10 and a second hook part 13 formed on the external surface 8a of the outer band 8 and the external surface 6c of the base body, having one end 13a connected to the second loop part 12 and the other end 13b provided on a position separated from the buckle 5, and engageable with the first loop part 11.
