No quilting. No cold spots. This is down. Revolutionary Thindown® fabric replaces traditional, high-loft down clusters with ultrathin sheets of 85% down/15% polyester. This eliminates the need for quilting or channels while maintaining all the thermal efficiency that makes down famous. The streamlined design and soft, highly-breathable stretch shell fabric deliver superior technical performance while active in cold weather. All without a hint of bulk. Models shown are 5’9" to 5’11" tall, wearing size S/4 or L/12.