In cold conditions it is really important to maintain your core warmth, it protects you major organs ensuring that you continue to perform at the highest standard. The North Face Womens Redblaze Vest is a great, lightweight layering piece, which incorporates PrimaLoft Eco to provide maximum warmth without adding unnecessary bulk. It is extremely breathable making it ideal for mountain use and is fully compatible with the brands range of zip-in outer shells, allowing you to customise your layering system to achieve the ideal level of performance to suit your activity. Features Secure Napoleon chest pocket Twosecure-zip hand pockets Stows in hand pocket Elastic binding at cuffs Hem cinch-cord Zip-in compatible with complimentary garments fromThe North Face Body: 30D 54 g/m2 100% nylon Insulation: 133 g PrimaLoft Eco Avg Weight: 330 g Glossary PrimaloftPrimaloft is the ideal material for going fast and light due to its superior compressibility and softness in an ultralight package, making it ideal for high-paced adventures where travelling small and light is key. Zip-in Feature:The North Face mid-layers can be zipped in to the inner zipper of many shells to create a single, insulating, cold weather jacket for challenging conditions.