Insulation: 40-gram PrimaLoft. Insulation: Yes, 40-gram PrimaLoft synthetic insulation Lining: Zip-out PrimaLoft liner in body Ventilation: Back hem vent Windproof: Yes Weight: 2.19 lbs. Packable: No stowaway pocket, but travel friendly: microfiber fabric resists wrinkles Zippers: Two-way zipper with snap storm flap Hood: Yes, attached hood with Velcro adjuster on back of hood to help adjust position Pockets: Two front pockets with storm flaps; interior zip pocket (7"W x 11½"H) Waterproof: Yes, waterproof-breathable H2Off fabric; fully-taped seams Microfiber polyester outer sheds rain and wrinkles. Improved hood design keeps water off face and neck, even in steady rain and downpours. Zip in PrimaLoft liner for lightweight warmth on cooler days. Adjustable waist. L.L.BEAN WARMTH RATING GUIDE COMFORT LEVEL: WARM Our three levels of warmth make it easier (and more comfortable) than ever to get out there, no matter the forecast. Choose the level that best fits your activity, environment and conditions. WARM - All SEASON Best for multiple seasons, milder temperatures and layering up for long adventures. Wear alone for lightweight comfort and weather protection and easily layer when cooler air comes along.