Overview The O&';Neill Hyperfreak Skins Men&';s Short Sleeve Sun Shirt delivers performance-focused UPF 50+ sun protection for surfing, swimming, paddling, and other water sports. Its anatomical fit and lightweight construction are designed for active use, providing dependable coverage while maintaining excellent freedom of movement. Made with O&';Neill&';s exclusive TechnoButter Skin fabric, the Hyperfreak Skins Sun Shirt offers a buttery-soft feel, quick-drying performance, and flexible 4-way stretch. HyperDry technology helps the fabric shed water and dry quickly, while strategic seam placement helps reduce chafing and irritation during extended sessions in and around the water. Best For Surfing and board sports Swimming and snorkeling Paddling and kayaking Beach and shoreline activities Extended outdoor and water-sport sessions Not Ideal For Cold-water activities requiring thermal insulation Customers looking for a loose-fitting casual T-shirt Key Features UPF 50+ Sun Protection: Provides dependable coverage from harmful UV exposure during extended outdoor and water-based activities. TechnoButter Skin Fabric: O&';Neill&';s premium material provides an ultra-soft, lightweight feel against the skin. HyperDry Technology: Hydrophobic treatment promotes faster drying to help keep the shirt lightweight and comfortable between sessions. 4-Way Stretch: Flexible fabric moves naturally with the body for unrestricted paddling, swimming, and athletic movement. Strategic Seam Placement: Helps minimize rubbing and chafing during repetitive movement and extended wear. Smooth Rash-Reducing Surface: Soft construction helps protect the skin from irritation during active water use. Anatomical Fit: Performance-oriented shaping follows the body for a streamlined, athletic profile. Short Sleeve Design: Provides upper-body sun protection while keeping the arms free for comfortable movement. Specifications Brand: O&';Neill Series: Hyperfreak Skins Product Type: Men&';s Short Sleeve Sun Shirt / Rash Guard Sun Protection: UPF 50+ Fabric: TechnoButter Skin Stretch: 4-Way Stretch Drying Technology: HyperDry Sleeve Length: Short Sleeve Fit: Anatomical Performance Fit Fit & Sizing The Hyperfreak Skins Sun Shirt uses an anatomical, performance-oriented fit designed to stay close to the body during active use. Customers who prefer a more relaxed or casual fit should consider this fitted design before selecting a size. Use Cases Surfing and paddle sessions Swimming and snorkeling Beach workouts and shoreline activities Layering under compatible water-sports equipment General sun protection during active outdoor use What&';s Included One O&';Neill Hyperfreak Skins Men&';s Short Sleeve Sun Shirt FAQs What level of sun protection does this shirt provide? The Hyperfreak Skins Sun Shirt provides UPF 50+ sun protection. What is TechnoButter Skin? TechnoButter Skin is O&';Neill&';s lightweight, soft, and flexible performance fabric designed to provide comfort and unrestricted movement. Does the shirt dry quickly? Yes. HyperDry hydrophobic technology helps promote rapid drying between water sessions. Is this designed for active water sports? Yes. The 4-way stretch fabric, anatomical fit, and strategic seam placement are designed for activities such as surfing, swimming, paddling, and other water sports. Care & Maintenance Rinse the shirt thoroughly with fresh water after use in salt water or chlorinated water and allow it to air dry completely. Avoid prolonged exposure to excessive heat and follow the manufacturer&';s garment-care instructions to help preserve the fabric, stretch, and sun-protection properties. Expert Insight The O&';Neill Hyperfreak Skins Sun Shirt is a strong choice for active water-sports users who want high UPF protection without sacrificing flexibility or comfort. Its TechnoButter Skin fabric and HyperDry treatment make it especially well suited for long surf, swim, and paddle sessions where unrestricted movement and quick drying matter.