The multi-disciplined Latitude offers comfortable warmth in temperatures as low as -10°C, however it includes a lower limit rating of -17°C. The bag is filled with a sensational 750+ Loft ULTRA-DRY Down™ and protected by a 2D NanoShell™ fabric for exceptional warmth and durability.   Sea to Summit have utilised a high quality, lightweight fabric and a high-lofting down to engineer a bag that is similar in weight to a traditional mummy bag, yet offers additional internal wiggle room. The spectacular Latitude boasts the ability to open into a full duvet for hut-sleeping, yet also zips up for winter-camping in sub-zero conditions. An oversized neck-collar and hood-seal keeps any drafts out and the oversized zipper draft tube is fitted with the lightest & stiffest anti-snag material for accessibility.    The side-block baffle construction maintains a 60/40 fill ratio for maximum insulation and the soft lining fabric is down-proof and breathable - offering a more comfortable sleep. The tapered rectangular construction offers a larger hood, broader shoulders, larger chest and a wider foot box for comfort and thermal efficiency.    The 750+ Loft ULTRA-DRY Down™ offers maximum insulation.  A full length side and foot zip allows easy conversion from a bag to a duvet.  The 2D NanoShell™ fabric offers great protection and durability.​ A neck-collar and hood-seal keeps any drafts out.  The tapered rectangular construction offers a roomier, more comfortable sleep. The compressed volume is 9.5 litres.  The bag weight is 1290 grams.  The Latitude LT3 has a comfort rating of -10°C, a lower limit of -17°C and an extreme rating of -38°C*. Ideal for Spring, Autumn & Winter.