NWOT Free People Movement Oversized Bubble Puffer Winter Vest Jacket Size XS. Fit is oversized would definitely fit a medium The perfect keeps-you-warm studio-to-street puffer, this water-resistant, satin-finish vest is featured in a bold, oversized style with a slouchy fit. The Fit: Oversized, slouchy, relaxed fit, longer-length, higher neckline The Feel: Puffy design with a satin, water-resistant finish and filled design for a warmer feel The Features: 2-way zipper, snaps at hem sides for adjustability, space-dye reflective locker loop, logo back neck interior tape, fill power Best For: Keeping you warm during chilly commutes. Care + Content Machine Wash Cold