-100% Cotton Size: 2-3T (2-3), 4T (3-4), 5 (5-6), 6 (6-7), 8 (7-8), 10 (9-10), 12 (10-12)-Machine wash,boys briefs Cloth material is very soft and comfy,and breathable. extra strength and durability;-The cute designed boy short cut covers your entire..