The North Face Womens ThermoBall FZ Jacket is a stylish and lightweight midlayer, so compressible that it can be put away into its own pocket. ThermoBall™ insulation maintains the warmth it gives you even if it gets wet and any chill is kept out by internal cuffs and an adjustable hem. Perfect to stay warm during winter pursuits or on your daily routine. Features Lightweight, compressible insulated full-zip jacket ThermoBall™ synthetic insulation for warmth even when wet Centre front zip Internal elastic cuff Zipped hand pockets Stows away into own pocket Adjustable hem Specifications Shell: 15D 33 g/m², 100% Nylon Ripstop Insulation: 100% Primaloft® ThermoBall™ synthetic insulation Weight: 389g Centre back: 66cm Glossary ThermoBall™ is an insulation technology designed by The North Face™ in partnership with PrimaLoft®. Created as a synthetic alternative to down, its small round fibre clusters closely mimic down clusters, trapping heat in small air pockets to retain warmth and resulting in lightweight, high performance insulation that works well in wet conditions.