The present invention concerns a polymer composition comprising: a block copolymer (a) including a polymer block A, which is composed mainly of an α-methylstyrene, and a hydrogenated or unhydrogenated polymer block B, which is composed of a conjugated diene or isobutylene and has a weight average molecular weight of 30,000 to 200,000; an acrylic resin (b); and a softener (c),