We The Free oversized Heather Gray Ribbed knit top size XS-S Prefect condition!! No flaws! Lightweight, strechy, comfortable, and cute. It could fit medium. The only thing is that the sleeves run small and fit tight. If you are medium and have small arms, the top could fit. I'm a medium fits Prefect everywhere else except arms a bit tight. For sure, it fits small!! Look at measurements, please! pit to pit 25" front Length 26" back Length 31" around biceps 10"