Patagonia Baby Micro D Fleece Set - 3T Usually sold as separates at $39 each Baby Micro D® Fleece Bottoms Made just for babies, these pull-on pants are made of warm, soft 100% recycled microdenier polyester fleece and can be worn alone or as a midlayer. Made in a Fair Trade Certified™ factory. Baby Micro D® Fleece Crew A cozy crewneck made of soft, warm and quick-drying 100% recycled microdenier polyester fleece; can be worn alone or as a midlayer. Made in a Fair Trade Certified™ factory.