The slim-fit Women's Summit Series FUTUREFLEECE™ LT ½-Zip showcases a low-pile iteration of our advanced full-loop fabric technology, aimed at reducing weight and enhancing body temperature regulation. This versatile piece is intended to be worn either over a base layer or as an underlayer, depending on the specific requirements of your mission. We've also taken care to prioritize under-pack comfort, incorporating flat-locked stitching and eliminating shoulder seams for added convenience. FUTUREFLEECE™ LT features lower-pile full-loop construction and octa-yarns to provide an optimal warmth-to-weight ratio Reverse-coil, #3 center front half zip No shoulder seams for reduced bulk and extra comfort while you’re wearing a pack Underarm gussets for mobility Flat-locked stitching in key zones for next-to-skin comfort Flat-sewn elastic cuffs with integrated thumb loops Clean front hem with flat-sewn elastic on back Raglan sleeves and underarm gussets for mobility Fit: Slim Fabric: 63% polyester, 37% recycled polyester