NWT Gunamuna Sleep Bag Size 9-18 months Features: hypoallergenic, breathable, wicks moisture, rounded pulls, zip pull covers at both ends, bamboo viscose and spandex in material, in sunset solid colorway 0.5 TOG or thermal overall grade, it calculates how quickly a fabric uses heat, recommended heavier TOG during cooler months and a lighter one during warmer months NWT NIB never used new in bag