J lindeberg lightyear pertex quantum jacket mens the j lindeberg lightyear pertex quantum jacket is perfect for your next outdoor adventure featuring a lightweight feather and down fill along with a full zip front with elasticated cuffs and hem for a warm and comfortable fit this j lindeberg jacket also benefits from breathable pertex lining that offers wind and waterproof protection finished off with three zip pockets and the j lindeberg branding to the chest mens jacket full zip