Wear it in warm weather without a shirt under or layer it on top of a shamrock turtle neck in cooler weather. Cute and practical denim cotton material with embroidered shamrocks cascading down the front. Made out of cotton. SALE ITEMS - due to the severely discounted price they are not returnable and are sold AS IS. We do our best to note in the description any known issues prevalent in an entire batch of items. Contact us if questions.