Woolino Unisex Kid Pajama Set, 100% Merino Wool, 1-5 yrs, Long Sleeve 100% Natural Merino Wool Made of 100% natural hypoallergenic superfine Merino wool that will keep your child safe comfortable and dry Naturally flame-resistant and completely free of fire-retardant chemicals usually found in other cotton micro-fleece and other synthetic baby sleepwear