A lightweight version of the Black Diamond Coefficient fleece in a quarter-zip style, the Coefficient LT Quarter Zip Pro is a performance midlayer built for high-output activities. Featuring 119 gsm 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. Primary Fabric is Bluesign® approved Center-front quarter zip reverse coil zipper Thumb-loops for over-hand protection Zippered chest pocket Flatlock stitching Weight 186 g Size and Fit Back lenght: 70 cm (27 1/2") Fit: Slim Materials 90% Polyester, 10% Elastane