The structure jacket looks cool with really nice colourblocked shoulder panels & is packed full of technical features. Part of Bonfires Gold range the structure jacket boasts 15, 000mm waterproofing & 10, 000gm breathability which is remarkably high for the price. With Bonfire celebrating 30 years of making outerwear this season, Bonfire know what they are doing & how to do it well! The structure is an insulated jacket guaranteed to keep you warm on those cold winter days with its 110gm body & 60gm sleeve & hood insulation. Bonfire use a low loft insulation to reduce bulk meaning the jacket is still low profile with tons of warmth. Boasting some really nice features too the strata uses Bonfires new ghost gaiter system which is a this is a wrist gaiter which you choose when it is in the jacket or not. No it doesn't zip out its better than that! When you put the jacket on on the inside of the sleeve is a thumb loop, slip your thumb into it & as you put the jacket on the gaiter tightens around your wrist stopping snow from getting in. Don't want to use it today? Ignore the thumb loop & wear as a regular jacket, easy! And remember Bonfire jackets carry a LIFETIME WARRANTY! This is against manufacturing defects not wear & tear but still huge piece of mind.