I purchased this because it was listed as an XL but is snug. I would say this would best fit size large or for an oversized fit a medium. Cozy, cool coverage is the name of the game in this cocoon-shaped turtleneck. In a smooth fabric that feels cool to the touch, it's a post-sweat layer you won't want to take off. modal Pit to pit 22” Waist 22” Super-soft Modal® fabric is naturally breathable and quick-drying. soft naturally breathable quick-drying features Designed for: On the Move Storage: Front zippered pockets with interior pocket for easy access to card and key Neck coverage : High neck design adds coverage Fit: Relaxed fit, bum-covering length