- Collection: Hawaii collection - Fabric: 4 -way stretch 90% recycled polyester 10% elastane blend knit jersey fabric - Technology: Moisture -wicking properties pull sweat away from the skin, keeping you dry - Fit: Performance fit - Neck: Crew neck - The perfect top to stay cool while working up a sweat, this Hawaii Sport Vent performance muscle tank from RVCA features moisture-wicking fabric that pulls sweat away and perforated side panels for enhanced breathable comfort. The four-way stretch knit makes this crew neck style comfortable enough for all-day wear.