What Our Gearhead(R) Experts Are Saying:"This sun hoodie is my go-to for long days in the sun. The ActiveIce(TM) 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(TM) 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.