Sun Lines FOM 9 Women's Graphic Tee

The Sumner line of position navigation method, named after American naval officer Thomas H. Sumner, is a technique used in celestial navigation to determine a vessel's position at a specific time. It relies on observations of celestial bodies, typically the sun or stars.

The Sumner method is particularly useful when celestial bodies are close to the observer's meridian (north-south line). It's a straightforward yet effective technique that has been used for centuries by sailors and navigators to determine their position at sea.

Made to feel like a well-loved favorite, these tees come with a feminine fit that is as stylish as it is comfy. The ribbed knitting makes the collar highly elastic while the twill tape on the shoulder seams stabilizes the back of the shirt and prevents stretching.

.: 100% airlume combed and ringspun cotton (fiber content may vary for different colors)
.: Light fabric (4.2 oz/yd² (142 g/m²))
.: Slim fit with longer body length
.: Tear away label
.: Runs smaller than usual