Engel Organic Merino Wool Silk Baby Pants longies Pajama Bottom eco 70 3501 70% Organic Merino Virgin Wool and 30% Mulberry Silk These adorable baby pants are made of a super soft Merino virgin wool and mulberry silk blend that is extremely warm and comfortable. This unique blend of Merino wool and silk will keep baby's legs warm in cooler weather. They feature a comfortable elastic waistband. Certified by GOTS (Global Organic Textile Standard) Made in Germany