The EMS Featherweight II Mens Down Vest is super-lightweight, while locking in warmth. It has a water-resistant outer combined with downproof lining and 90% down - a must-have addition to your outerwear wardrobe, that also packs away. RDS Down - This product is Responsible Down Standard (RDS) certified by Control Union CUC-890403. RDS certified products contain down and feathers from farms certified to animal welfare requirements. Fill Power Rating 600 - Higher fill power = warmer item. The measure of the loft (fluffiness). The higher the rating, the more air trapped per ounce of down allowing a higher level of insulation Water-Resistant - Treated with durable water repellent (DWR), droplets will bead and roll off the fabric. Ideal for Light rain, or limited exposure to rain
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