"Summer Wear" is a science fiction short story by American writer L. Sprague de Camp, part of his Viagens Interplanetarias series. It is the first (chronologically) set on the planet Osiris. It was first published in the magazine Startling Stories in the issue for May, 1950. It first appeared in book form in the anthology The Best Science Fiction Stories: 1951, edited by Everett F. Bleiler and T. E. Dikty, published in hardcover by in 1951, and was gathered together with other Viagens stories in the collection The Continent Makers and Other Tales of the Viagens, published in hardcover by Twayne Publishers in 1953, and in paperback by Signet Books in 1971. The story has been translated into Portuguese, Dutch, Italian and German.