Mountain Hardwear Men's StretchDown Plus Hooded Jacket Stretch Welded Fabric Unique welded-construction traps more warmth than standard stitched-construction Q.Shield Down 750-fill resists heat-robbing moisture and stays lofty even when wet Warm, light, stretch-knit fabric is vastly more comfortable than conventional ripstop material Groundbreaking stretch bonded channel construction works like no insulated jacket we've ever made