Baby Boys' Nike Boxy Adjustable Hat 5560-8A3052 Kiddos can keep it timeless in this cap, made of woven cotton twill in a classic 6-panel construction. A curved brim, venting eyelets and built-in sweatband helps keep them cool and dry so they can stay focused on having fun in the sun and the adjustable strapback closure provides a fit that's just right. Baby Boys' Nike Boxy Adjustable Hat