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Saco de dormir Rab Ascent 700 ebony (gris)

Additional Information

Season of use Autumn, Spring, Summer, Winter
Brand Rab
Ecological note (0 to 5)


3 🌱🌱🌱
Ecological Certificates amfori BSCI, EOCA, Fair Wear Foundation, RDS (Responsible Down Standard)
Activities Mountaineering, Trekking
Ready for Autumn, Spring, Summer, Winter
Fill Type Down
Comfort temperature (ºC) -2
Limit Temperature (ºC) -8,5
Extreme Temperature (ºC) -27
For Woman, Man
Shoulder Width * Foot Width * Length (cm / in.) 75 x 65 x 215 (50 cm zona de pies)
Bag dimensions (cm) 24 x 42
Weight (gr.) Estándar 1270 - XL 1335
Filling weight Estándar 700 - XL 745
Made in United Kingdom


Four seasons sleeping bags with hydrophobic feather 650 cuins. Rab recommends its use below 0ºC in any type of activity.


  • Medium weight bag for any use, thanks to its great insulation and large dimensions. Rab recommends its use for mountaineering, expeditions, trekking or hiking in conditions of intense cold. The medium size bag is for users of maximum 1.85 m. for people taller than 2 meters, buy size XL.

  • According to the UNE EN 13537 standard, the comfort temperature that allows a user to sleep in thermal equilibrium is -2 ºC. Limit temperature where the user sleeps in a fetal position in thermal equilibrium -8.5 ºC and the lowest extreme temperature at which allows sleeping with risk of hypothermia is -27ºC. Parallel to this regulation, Rab applies temperature studies parallel to all its bags to its bags. In this bag Rab recommends a minimum use temperature of -12ºC.

Features :

  • Semi-straight mummy cut. Wide to have freedom of movement inside. In addition, the foot area is wide and angled so that the feet have a natural position during rest.

  • Distribution of the pen by trapezoidal partitions.

  • YKK brand zipper with a length of 3/4 over the total and a luminescent puller. Protective thermal band along the entire zipper improving insulation and avoiding hooking of the trolleys.

  • Thermal collar and perimeter adjustment cord in the hood area. In addition to improving insulation it has an extra thermal adjustment band for the neck.

  • With YKK zippered interior pocket to store valuables or that you want to have nearby during sleep.

  • Sold with a wide cotton bag for storage and another compression bag for transportation during outings.


  • European pen with hydrophobic treatment of 650 cuins that provides an excellent level of insulation without increasing its weight. Includes fluorocarbon-free technology developed in collaboration with Nikwax, with this treatment the pen absorbs less water and dries faster. The pen has been assembled by hand in the UK. Feather with RDS (Responsible Down Standard) certificate that ensures that it comes from ducks and geese that have been respected and treated in an ecological way.

  • Pertex Quantum outer fabric (49g / m2, DWR 80/20, 30d / 30d) very light, windproof, breathable and prevents feather loss. Developed by Rab managing to reduce its weight compared to the original Pertex Quantum by 20%. With an excellent balance between resistance and lightness.

Customer Reviews

Review by Nacho (Posted on 20/02/2019)
(translated) Multipurpose. Optimal bag for intensive use on long-distance trips. Light, compact and warm.
Review by Ana (Posted on 07/01/2019)
(translated) The bag heats up well, but the moisture easily condenses and the bag gets wet
Review by érika (Posted on 15/01/2018)
sleeping bag
(translated) very happy with the purchase and shipment.

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