A lightweight alternative for when a full-tilt down jacket is overkill. On the other hand you can use it as a warm midlayer under a spacious winter jacket or coat. In Parajumper's four stage thermal rating the Jayden sits at level one = "mild climates". The sleeves are made of a lighter, fleece-lined honeycomb fabric, while the torso is protected with down-filled baffles. - Slim fit - RDS-certified fill down - The protective collar sports the cool strap that Parajumpers uses in all jackets - Three front, one rear and two inner pockets - Armpit ventilation Products from Parajumpers are at home in urban environments, where both functionality and a look that fits the street scene are required. PJS clothing is made to last and protect you from the weather, with style. The Parajumpers brand was founded in Italy to honor the 210th Rescue Squadron, which operates in the harsh conditions around Anchorage, Alaska. The squadron assists climbers in distress, ships that have drifted off course