What Our Gearhead® Experts Are Saying:"This sun hoodie is my go-to for long days in the sun. The ActiveIce™ technology actually cools as I sweat, and the UPF 50+ protection gives me peace of mind on exposed trails. It’s lightweight, breathable, and quick-drying—perfect for everything from mountain biking to paddling. The 3-panel hood fits well over a hat, and the thumbholes keep my sleeves in place."Blazing sun and sweltering temps won’t stop us when we’ve got the ActiveIce Spectrum Sun Hoodie from Outdoor Research. Designed for full-day protection in exposed conditions, this lightweight hoodie features UPF 50+ sun defense and ActiveIce™ technology, which actively cools as we sweat. Whether we’re climbing, hiking, or bikepacking through open terrain, this hoodie keeps us comfortable and covered. Every detail is optimized for movement. A chafe-free design with dynamic reach ensures unrestricted mobility, side slits at the hem allow for better ventilation, and thumbholes keep sleeves in place. The 3-panel hood fits snugly over a hat for extra sun protection. From desert trails to high-alpine ridges, this hoodie is built to keep us cool, dry, and protected.