Multipack: Stock up on essential basics for your little man in bright colors and prints. Includes 5 pairs of boy’s boxer brief underwear. Snug Fit: These boxer briefs are soft and snug to ensure comfort and fit. Elastic logo waistband allows room for growth. Soft: Made of soft cotton fabric. Machine washable. 100% Cotton. Size Guide: 2T (Waist 20.5in, 29-31lbs) 3T (Waist 21.5in, 31-34lbs) 4T (Waist 22in, 35-39lbs) Small (4-6yr, Waist 20-23in, 35-58lbs) Medium (8-10yr, Waist 24-25in, 59-73lbs) Large (12-14yr, 26-27in, 74-100lbs) XLarge (16-18yr, Waist 28-30in, 101-126lbs) Multipack: Stock up on essential basics for your little man in bright colors and prints! Includes 5 pairs of boy’s boxer brief underwear.