Works well with naps, zoom calls and binging your favorite series.Stay warm this season with the ETERNE Thermal Long John, a long sleeve thermal onesie thoughtfully crafted from a blend of 48% cotton, 48% modal, and 4% spandex. This ultra-soft, waffle knit piece comes in a sleek black color and features a button front closure with a Henley-inspired V-neck. Designed for a close fit, it is true to size, offering comfort and style in equal measure. Easy to care for, simply machine wash and lay flat to dry. Model is 5'5" and wears a size small.