Best breathable1 / 2
Images: Survive Outdoors Longer and its retailers. Used for product identification.
Survive Outdoors Longer
SOL Escape Lite Bivvy
A breathable bivvy you can actually sleep in without waking up soaked.
- Weight
- 156 g
- Thermal
- Reflective
- Packed
- Not stated by maker
Best price found
£48.35
at Oliunid · In stock · Ships from EU
- Needle SportsIn stock · Reduced from £70£63View Deal
Prices checked 31 October 2026. We may earn a commission on these links.
- Breathable
- Heat reflective
- Windproof
- Reusable
Specifications
- Weight
- 156 g
- Packed size
- Not stated by maker
- Material
- Breathable spun-bonded olefin with metallised coating
- Thermal claim
- Reflects 70% of body heat while letting vapour escape
- Open size
- 208 × 81 cm
Pros & cons
- Far less condensation than polythene bags
- Doubles as a summer sleeping-bag cover
- Genuinely reusable
- Water-resistant, not fully waterproof
- Three times the price of a reflective bag
More emergency bivvies
Full comparison →
5 photosBest all-rounderSurvive Outdoors Longer
SOL Emergency Bivvy
The benchmark reflective bivvy: sealed seams, 90% heat return, and a rescue whistle.
- Weight
- 108 g
- Thermal
- High reflective
- Packed
- 13 × 8 × 2 cm
- Waterproof
- Windproof
- Heat reflective
- Whistle included
- Reusable
Full specs, 3 retailers →View DealFrom
£19.99
at Needle Sports
2 photosBest value reflectiveLifesystems
Lifesystems Heatshield Thermal Bag
DofE-recommended metallised bag that packs smaller than a drinks can.
- Weight
- 110 g
- Thermal
- High reflective
- Packed
- 7 × 6 × 6 cm
- Waterproof
- Windproof
- Heat reflective
- Taped seams
Full specs, 3 retailers →View DealFrom
£10.95
at Cotswold Outdoor
10 photosBest for twoLifesystems
Lifesystems Survival Bag
The heavy-duty orange polythene bag every UK mountain leader carries.
- Weight
- 290 g
- Thermal
- Barrier only
- Packed
- 10 × 18 × 3 cm
- Waterproof
- Windproof
- Fits 2 people
- Reusable
Full specs, 3 retailers →View DealFrom
£5.99
at Cotswold Outdoor
