A perfect go-to piece for the outdoors in the colder season, this long sleeve shirt is a regular fit that fits and feels comfortable. Made from organic Cotton Flannel, it features a striped pattern, two classic workwear-inspired front chest pockets, underarm ventilation eyelets and personalized Sebago Docksides flag on the heart pocket. This shirt's name is that of a famous marine knot, a fast and easy one amongst the most known by sailors.