STOP! Before you purchase your next bivvy make sure you check out the NGT Bivvy range. We built our reputation on providing premium quality at everyday prices so it’s no surprise that our bivvies are made to only the highest standards as you’d expect! Our Fortress 2 man bivvy provides the same space and levels of comfort seen in bivvies four times the price. A class leader with it’s unbeatable performance and quality the NGT Fortress benefits from a super lightweight design without compromising strength and is made from 100% waterproof 210D nylon.