Sustainable Products, Projects and Green Design Seawool Cape by ChungSheng Chen Seawool cape weights only 300 grams, is lightweight, easy to handle and washable. It is made from seawool yarn which come from the combination of recycled plastic PET bottle and nanolization oyster shell powder from discarded shells, not just only reduces waste, but delivers performance benefits like thermal regulation, odor resistance, moisture management and quick dry, soft woolen touch, and also anti-static, antibacterial, no chemical antibacterial agents added, is friendly to user's skin, providing a better wearing experience. Seawool truly the sustainable materials from the ocean.