Swiftly Tech Long Sleeve 2.0 from Lululemon. Crew neck, raglan long sleeves with thumb loops, pullover style, slim fit. Seamless, stretch, sweat-wicking fabric in orange. Womens Estimated XS / 2-4. No size tag / dot. There is one line inside the hem. Top is in terrific preowned condition but has a detergent scent. Chest flat across: 15.5" Back length: 25.5"