Passage 17" Boardshorts - ForestBuilt From the Inside Out. We reimagined our boardshorts by starting from the core and reconstructing them for optimal performance and durability. With an 18. 5 outseam and crafted from an eco conscious blend of 90% Nylon 10% Spandex, these boardshorts offer 4 way stretch for unrestricted movement and durability. The Passage Boardshorts feature clean finished, flat felled seams to minimize chafing and enhance durability. They include a back pocket