My son sized out of these the same month I purchased them. So each pair was probably worn only once. Excellent used condition cotton boys holiday underwear. Size medium. OVERVIEW & BENEFITS Holiday-themed classic briefs for every day of the week, crafted with our famous won’t-wear-anything-else fit that kids love. Hypoallergenic & eczema-friendly Sensory-friendly scratch-free seams that lay flat on the skin OEKO-TEX® STANDARD 100 certified safe from hundreds of harsh chemicals.