Warm, breathable and quick to dry, the Coefficient Fleece is everything you want in a lightweight alpine midlayer. The Quarter-length zipper lets you regulate temperature on the go. A lightweight version of our Coefficient fleece in a quarter-zip style, the Coefficient LT Quarter Zip Pro is a performance midlayer built for high-output activities. Featuring Polartec Power Grid fleece with a gridded interior for increased wicking performance and added breathability, the center-front quarter zip allows you to dump heat on the go, while the hoodless-style makes this an easy layer with other hooded jackets. Features: Primary Fabric is Bluesign approved Center-front quarter zip reverse coil zipper Thumb-loops for over-hand protection Zippered chest pocket Flatlock stitching Center Back measurement: 27 1/2" Fit: Slim 186 g Technology: Polartec: Patented grid construction knit strengthens performance efficiency by increasing warmth and breathability, while also reducing fabric mass. These geometric patterns improve compressibility, wicking, and add technical style. By reinventing thermal warmth possibilities, Power Grid is a minimalist design that maximizes fabric performance. Sustainability: ECO: Protecting the places we love is as important to us as building the gear to take you there. Utilizing sustainably produced raw materials is a cornerstone to our approach and foundational to this commitment. Styles carrying the ECO label status are made of one or more of Black Diamond's targeted sustainablity attributes. Bluesign Approved Material: Materials approved by Bluesign have undergone strict production criteria from the raw materials to the end product to ensure they follow standards that are responsible and sustainable with regard to people, the environment and resources. With Bluesign approved materials, users can be assured that their products were manufactured with responsibly use of resources and the lowest possible impact on people and the environment. Tech Specifications: Display Weight: 186 g Materials: Polartec Light Weight Power Grid Fleece (90% Polyester, 10% Elastane, 119gsm) Size Range: S-XL Weight: 186g Black Diamond Men's Coefficient LT Quarter Zip Pullover