For dependable high loft and big-jacket warmth, Mountain Hardwear's Kelvinator Hooded Jacket features Q.Shield Down that maintains its insulating performance, even when it's wet. A compressible wonder, this jacket stows in its own pocket.. . High-loft Q.Shield Down 650-fill insulation for heat-trapping, water-resistant warmth without bulk. Stay toasty: Q.Shield Down fibers are infused with a permanent water repellency that helps maintain insulating performance and maximum loft, even when wet. Stitch-through quilting means its easy to compress and pack-stows in its own pocket for unbeatable packability. 20D nylon ripstop shell fabric is lightweight and water resistant. Elastic on cuffs and hood seals in warmth, block out wind. Dual hem drawcords for easy adjustments on the fly. Center-back length: 29 in. (74 cm). Standard fit: Not too tight, not too loose; will fit over base and midlayers without restricting movement.