Rab Mythic 400 Sleeping Bag

Product detailed description

Why choose a Rab sleeping bag?

It has been 40 years since Rab Carrington began hand-sewing the first sleeping bag in a small house in Sheffield, which would bear his name. His first designs were based on his mountaineering experience. The goal was to create high-quality, lightweight, and warm sleeping bags that would perform well in the mountains. That’s exactly what Rab does—lightweight and reliable. They think through the details and come up with new materials. Like when they first used Pertex fabric in the 1990s, which is still used today to make the most durable down products or waterproof clothing that packs down into a small bundle. Simply put, we’re talking about gear you’d rather repair than throw away. Rab has long been among the absolute world leaders in down products. Their sleeping bags are filled at a factory in Derbyshire, UK. This ensures absolute control over the fact that the sleeping bags have never been improperly stored or compressed.

Rab Mythic 400

You’ll be hard-pressed to find a better sleeping bag on the market with such an extremely low weight, thermal comfort, and technical sophistication. The Rab Mythic 400 is perfect for any situation where every gram counts, but you don’t want to compromise on comfort. The perfect choice for ultra-long treks and all kinds of mountaineering activities where speed, efficiency, and lightweight gear are top priorities! The entire sleeping bag is sewn from Rab’s proven 7D Atmos™ fabric—one of the most advanced fabrics on the market today, utilizing the thinnest fibers. Despite its extremely low weight, it is very durable, windproof, highly packable, and above all, breathable. The fabric naturally features a top-of-the-line water-repellent DWR finish. Sleeping under the open sky and morning dew will therefore pose no problem for the sleeping bag. Despite its extremely low weight, the manufacturer hasn’t skimped on space. On the contrary, slender individuals will revel in how much space there is inside, but even burly guys with broad shoulders and weighing 95 kg will fit in without a problem! For this year, Rab has introduced a very welcome change in the form of a 3/4-length zipper (previously it was only half-length). Naturally, a high-quality two-way YKK zipper is used, which is additionally protected by a synthetic flap to prevent heat loss. Rab has used a new, innovative design for all its sleeping bags, featuring V-shaped chambers instead of straight ones. This allows for full utilization of the down’s properties, prevents cold spots, and minimizes filling movement within the chambers. The down stays centered in the chambers, ensuring warmth retention throughout the night.

The sleeping bag is filled with the highest quality goose down treated with a Nikwax water-repellent finish and a fill power of 900FP! This gives the sleeping bag an incredibly fluffy appearance. The water-repellent treatment allows the down to better withstand moisture, dry faster, and regain its full loft. R.D.S. certification of the down’s origin is a given. Rab paid close attention to the technical details of the sleeping bag, which you’ll especially appreciate on cold nights in mountainous terrain. The sleeping bag features a perfect drawstring hood with an ergonomic collar. Both the hood and collar feel so fluffy that you’ll look forward to crawling into the sleeping bag. In addition, they feature handy, non-slip loops that are easy to handle even with numb fingers. The Mythic has a brilliantly designed angled “foot box” shaped like a fin, which provides plenty of room for your feet.

Comfort

The comfort temperature for the Rabu is now measured according to the EN1357:2016 standard. Of course, we are all different, so the temperatures listed here should be taken more as a guide for choosing the right sleeping bag. The standard is based on the parameters of an average man—25 years old, 173 cm, 73 kg—and a standard woman—25 years old, 160 cm, and 60 kg—and the temperatures listed represent a range derived from a series of measurements, from the upper temperature limit at which a person can sleep through the night without waking up to the extreme temperature that determines the minimum temperature at which a person can survive. Rab specifies comfort temperature (the ideal temperature you should use as a basis when choosing a sleeping bag), limit temperature (the temperature at which a standard man can remain at rest for 8 hours without waking up), extreme limit (this should be taken as a guide to how the sleeping bag would perform in an emergency situation, not as a recommended use case. It refers to the temperature at which an average woman can remain for 6 hours without risk of death from hypothermia). In addition, Rab specifies the so-called "Rab Limit", which is based on their own experience and that of athletes and is considered a reasonable limit for the usability of the sleeping bag.

If you're unsure about choosing the right sleeping bag, we've prepared a detailed guide for you - How to Choose a Sleeping Bag.

Warmer option: Rab Mythic 600

Rab Mythic 400 :

• Weight: 696 g (without stuff sack and waterproof compression bag).
• Filling: 400 g hydrophobic (developed with Nikwax) goose down with a fill power of 900FP.
• Regular length suitable for people up to 185 cm tall.
• Outer and inner materials: 7D Atmos™ (23 g/m², 7D nylon) with water-repellent DWR finish.
• Comfort temperature -1 °C, limit temperature -6 °C, Rab limit -6 °C, extreme limit -24 °C (temperatures according to EN13537:2016).
• YKK two-way zipper, 3/4 length.
• Shoulder width 80 cm, hip width 67 cm, leg width 51 cm.
• Innovative chamber construction.
• Ergonomic, drawstring hood and inner collar.
• Trapezoidal chamber design that eliminates cold spots and prevents the insulation from shifting within the chambers.
• Comes with a waterproof compression stuff sack (dimensions 35 x 23 cm) and a storage bag.
• Made in the U.K.