These Hyperfreak Heat Block 17 boardshorts are perfect for active boys. Whether they're hitting the waves or just hanging out by the pool, these shorts offer great performance. The 17' outseam provides a comfortable fit. They're made with a Hyperfreak 4-Way stretch fabric for maximum mobility, have O'Neill Hyperdry DWR for water resistance, and an anti-rash hyperthread for added comfort. They're also made with Repreve® recycled fabric, which is a great choice for the environment. Sizes and other details are designed to keep boys comfortable and stylish during their aquatic adventures.