Nature Baby Merino: Keep Your Little One Snug During Winter The Core Baby Tee Only 17 Organic Basics Nature Baby Merino Essential Tee Coco Organic Baby Clothes Nature Baby Clothing Organic Baby Core Baby Tee Only $ 17 Organic Basics. The merino long sleeve essential tee is made from beautiful, soft, organic merino wool. Features an envelope neck on small sizes for easy dressing and crew neck on size 3y and up. An essential item for the cooler months and a great layering piece! The merino wool is GOTS certified. This ensures the highest standards of animal welfare, environmental care, and social responsibility. * GOTS certified * 100% organic merino wool jersey * envelope neckline on sizes 3 6m to 2y * crew neckline for sizes 3y to 5y * scooped hemline * detail stitching at neckline