An NSF fan-fave, the Loffler Boxy Tee is garment-dyed for a vintage look and feel, especially paired with the raw edge and boxy fit. An NSF fan-fave, the Loffler Boxy Tee is garment-dyed for a vintage look and feel, especially paired with the raw edge and boxy fit. LA-based brand NSF is inspired by a California attitude and an understated cool, relaxed sensibility that expresses a confident, independent spirit.