New Without Tags Smartwool Smartloft Vest Size Small. Sizing chart is attached in one of the pictures. No blemishes, stains, tears, loose threads. In new condition. Insulation is lined with Merino for comfort, sweat management, and odor control. Materials composition is attached in one of the pictures with some information listed below. Two zippered hand pockets, one zippered internal chest pocket. Shell 100% Polyester Lining 56% Merino Wool 44% Polyester Fill 75% Wool 25% Polyester