Details Breathable Insulated Headwear With Sun Protection The Shadow Insulated 5-Panel Cap delivers breathable and insulated warmth for cold weather outdoor activities. This low-profile hat has enough 100% polyester insulation to take the edge off chilly morning starts but remains breathable when the tempo rises on the trail. The wicking fabric helps manage moisture, and the comfortable stretch and adjustable backstrap ensure a snug fit for all head sizes. A must-have for early morning winter surf checks and chilly evening bike rides, the Shadow Insulated 5-Panel Cap offers versatile cool weather head protection. Features The Shadow Insulated 5-Panel Cap builds on our popular and weather-resistant Shadow fabric collection, offering the warmth of a beanie and the face and eye protection of a cap for cool weather outdoor pursuits.