Lululemon Swiftly Wool Pullover II Workout Shirt Size Small? Great pre-owned condition, no holes or stains No size tag. Seems like it could fit a small or medium- see below for approximate measurements to ensure proper fit Merino wool Style # W3BQWS Sweat-wicking Merino Wool is soft, naturally insulating and will help regulate your temperature naturally insulating temperature regulating sweat-wicking soft handfeel naturally breathable Designed for: Run Fit : Body Skimming, hip length Thumbholes: Help keep your sleeves in place and hands warm Measurements are approximate- Chest- 14" Length- 24"