Slim fit FUTUREFLEECE LT features lower-pile full-loop construction and octa-yarns to provide an optimal warmth-to-weight ratio Attached hood with a pre-tensioned elastic opening for a secure fit 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