These soothingly soft body-shirts are perfect for the extra sensitive skin of premature babies. 

Made of organic merino virgin wool and mulberry silk, in a 70/30% blend - it is a textile that's made to give comfort.   GOTS-certified organic. 

Premature babies haven't been in the tummy long enough to develop the protective layer of fat underneath their skin, as with most full-term babies, meaning they can have more difficulty maintaining their body heat.  Wool's temperature-regulating properties provide warmth, yet the natural fibers breathe, to maintain a comfortable temperature against baby's skin.  Silk adds extra softness. 

The kimono-style body-shirt buttons down the front, so no pulling and tugging over baby's head.  

Wool's moisture-absorbing and self-cleansing properties allow for extended use between washings.

Match with Preemie Pants for full outfit. 

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To maintain the health and longevity of your garments, organic wool is best washed by hand.  Many modern woolen items are treated with chemicals to allow them to tolerate machine-washing.  Certified organic wool does not contain such chemicals.  Some washing machines have a special wool-cycle, which maintains a lukewarm water temperature throughout the wash and rinse cycle, as well as minimizing agitation of the garment, which can lead to felting/shrinking.   See Caring for Wool.