Karrimor alpine fleece jacket mens the karrimor alpine fleece jacket is a high performing jacket perfect for providing maximum warmth with minimal weight the polartec high loft density fibre construction reduces weight by creating large air pockets that regulate warmth and airflow with soft lining and high neck finish this will feel great and fit snugly to keep you protected when out in colder conditions fleece jacket polartec high loft compressible warmth highly breathable