O'Neill Hermosa Retro 17" Swim Trunks. Retro styled trunks featuring an elastic waist that's fully adjustable so you can get the perfect fit every time. Side pockets offer extra storage while the shorter outseam creates a vintage-inspired look. O'Neill Hyperdry DWR Technology. Tunnel drawcord. Side pocket. Anti-Rash Hyperthread. 17" outseam. 7" inseam (above the knee fit). 74% Recycle dPolyester 18% Cotton 8% Elastane. Machine wash. Imported.