Ultra-Lite2a is constructed from an ultra-lightweight, waterproof, breathable, non-woven polypropylene construction. The patented bi-laminate technology with “welded” waterproof seams and unmatched sweat-free breathability is a great value in affordable rain wear. The compression packability allows it to pack down to pocket size. Perfect for backpacks, bags, purses for hikers, backpackers & outdoor enthusiasts. Includes attached stuff sack. Weight: 9 oz. One size fits most.