Adventure begins with the Harbor Stripe Collection by Serendipity! The Harbor Stripe Shorts for boys in soft, knit cotton feature navy and white stripes and fun pockets. Elastic waist with tie for ease of wear. Coordinate with the Salmon Polo. Cotton/Elastane blend. See Size Guide. xxs(12m-18m),xs(2t-3t),s(4t-5t),m(5-6),l(7-8),xl(9-10),xxl(11-12).