Your child will love these Jurassic underwear with fun prints and designs - multiple pack sizes, designs and fabric construction available DIFFERENT Fabrics Available: The 5pk boxer briefs are 100% combed cotton. The 4pk and 7pk athletic boxer briefs are made with Coolcraft Technology for Ultra Cool Softness. Available in multiple sizes for boys of different ages, ensuring a secure and comfortable fit. Each pack includes a variety of boxer briefs with bold Jurassic World-themed graphics that transport kids into the heart of the dinosaur adventure. All Pairs are tagless with a brushed waistband for ultimate comfort