Quantum Top Bag AR:
Alpine climbing
Fast & light
Quantum 250, 400
& Women's 400:
Alpine climbing
Trek & travel
Mountain walking
Fast & light
Quantum 600 &
Women's 600:
Alpine climbing
Trek & travel
Mountain walking
Quantum 800:
Altitude & polar
Alpine climbing
Trek & travel
Mountain walking

Quantum 400 "An astonishingly light bag for the warmth"
Best buy sleeping bag TGO magazine April 2004
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Quantum 200
"As far as I'm concerned it's a near-perfect summer bag, being ultralight, very low bulk and astonishingly warm for the weight."
Quantum 600 Endurance 'Chosen by Steve Perry for the Winter 284 challenge'
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"The Rab Top Bag AR is an excellent value ultralight sleeping bag, compared to the competition." Overall Rating - Recommended June 2008 Backpacking Light Magazine. USA
Quantum bags are designed to be the lightest for todays weight conscious adventurers. Use of Pertex® Quantum fabric and 750+ fill power down ensures the optimum warmth to weight ratio, in efficient designs to meet the needs of backpackers, Alpine climbers, ski and cycle tourers.
| weight | comfort | dimensions | packsize | col | ||
| Quantum topbag AR | 550g | N/A |
195 x 75cm | 24 x 11cm | Grey | |
| Quantum 250 | 650g | -2°C | 210 x 75cm | 24 x 11cm | Red | |
| Quantum 400 | 900g | -3°C | 215 x 75cm | 25 x 15cm | Blue | |
| Quantum 600 | 1100g | -15°C | 215 x 75cm | 30 x 18cm | Black | |
| Quantum 800 | 1300g | -23°C | 215 x 75cm | 35 x 21cm | Red | |
| Quantum 400 women's | 850g | -5°C | 195 x 75cm | 25 x 15cm | Blue | |
| Quantum 600 women's | 1050g | -17°C | 195 x 75cm | 30 x 18cm | Black |
Weight:See chart above
Colours: Grey, Blue, Black, Red, See chart above for specific colours
Sizes:See chart above
The lightest downproof, windproof, breathable fabric