The North Face Thermoball Floral Vest Size medium ThermoBall contoured to fit and flatter your body, maintain your core warmth while winter camping in cold, wet weather with our latest advancement in lightweight insulation technology. Our new synthetic insulation technology features round ThermoBall clusters that trap and retain heat to achieve phenomenal warmth in cold, wet weather. The North Face ThermoBall Vest Women's Features: Thermoball synthetic insulation has the warmth equivalent of 600-fill down New feminine quilted pattern with interior quilt pattern at sleeves, sides and collar DWR (Durable water repellent) finish sheds moisture Hidden-zip hand pockets Internal hem drawcord through hand pockets