Mountain Hardwear Women's StretchDown Jacket Stretch-Knit Fabric Made in USA Revolutionary, stretch-welded chambers Provide insane comfort and warmth in blustery conditions Water resistant QShield DOWN 750-fill power repels moisture and maintains loft even when wet Unique bonded construction traps more warmth than standard stitched construction Warm, light stretch-knit fabric is vastly more comfortable than conventional ripstops