Long-sleeve pajama short set in tartan flannel NWT Size Large silhouette with ultra-cozy flannel fabric, so you can rest even easier. By buying cotton products from J.Crew, you're supporting our investment in Better Cotton's mission to help cotton communities survive and thrive, while protecting and restoring the environment. This product is sourced via a system of mass balance and therefore may not contain Better Cotton. Plus, this set is crafted with a touch of TENCEL™ Modal (an eco-friendly fiber produced from wood pulp sourced from sustainably managed and certified forests—meaning not ancient or endangered!). 56% cotton/44% TENCEL Modal. Machine wash. Made in Bangladesh. Item BU663.