Repeat after me. We are all one. We are all lovers of light. Lightweight, 3/4 length sleeves = yummy! Fits a bit snug. Size up if you are between sizes, want an even more slouchy or like a longer fit. The model is 2/4 & wearing a small! Small: 2-4. Med: 4-6. Large: 8-10. XL: 10-12. XXL: 14-16.