The Bontrager Women’s Merino Blend Long-Sleeve Cycling Base Layer is a lightweight, long-sleeve base layer that regulates moisture & warmth in cool to cold riding conditions. It is designed to work best in temperatures from 4 to 15 degrees centigrade. The Merino Blend Long-Sleeve Base Layer regulates your body’s climate using the perfect blend of wool & Profila cool fabric with 37.5 technology for ultimate, all-day comfort. Features Soft, lightweight Merino wool blend offers warmth & comfort Moisture & temperature regulation with 37.5 active particle technology Natural materials eliminate odour molecules & never wash out Longer body length & drop tail tucks into shorts or bibs to prevent overexposure Locker loop on collar makes base layer easy to hang for quicker drying after rides Fitted cut provides a streamlined body fit for enhanced performance