The Simond MT500 is being hailed as a bargain camping mattress that’s perfect for festivals. We put this budget sleeping pad through its paces to see if it delivers on comfort, weight, and value. For years, budget campers had to choose between thin foam roll mats or bulky airbeds—both with significant drawbacks. The MT500 aims to change that with a self-inflating design that packs small and costs under £50.
Why the Simond MT500 Stands Out in the Camping Gear Market
With more adventurers seeking lightweight, compact solutions, the MT500 fills a crucial gap. Unlike premium trekking pads that cost upwards of £75, this Decathlon offering provides a comfortable night’s sleep for side-sleepers without breaking the bank. Its air-baffled chambers offer bounce and support, while the summer-ready version strips back insulation to save weight and cost.
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Key Features of the MT500 L and XL
- Weight: L version weighs just 580g; XL is 720g
- Packed size: Rolls down to the size of a small water bottle
- Thickness: 8cm provides adequate cushioning on uneven ground
- Material: Tough 40D polyester ripstop minimizes puncture risks
- Valve: Simple twist valve for easy inflation and deflation
Performance Test: How Does It Compare?
During a weekend festival trial, the MT500 proved easy to inflate—no pump required. The self-inflating core does most of the work, though a few extra breaths top it up. Comfort was impressive for a sub-£50 pad; hips and shoulders felt supported even on rocky soil. When packed down, it occupied minimal space inside a backpack.
| Feature | Simond MT500 (L) | Therm-a-Rest NeoAir XLite |
|---|---|---|
| Price | £44.99 | £175.00 |
| Weight | 580g | 340g |
| Thickness | 8cm | 7cm |
| R-Value (insulation) | 1.2 (summer) | 4.5 (three-season) |
| Packed size | 22 x 12 cm | 23 x 10 cm |
The table shows that while the MT500 is heavier and less insulated, it offers comparable thickness at a fraction of the cost. For warm-weather camping or festival use, the trade-off is well worth it.
Who Is This Sleeping Pad For?
The Simond MT500 is ideal for car campers, festival-goers, and occasional backpackers who prioritize budget without sacrificing basic comfort. It’s not designed for extreme cold, but for summer trips and indoor crash pads it excels. The XL version adds extra length for taller sleepers.
Pros and Cons
- ✅ Excellent value under £50
- ✅ Lightweight and compact
- ✅ Self-inflating for quick setup
- ❌ Low R-value – unsuitable for cold nights
- ❌ Not as packable as premium ultralight pads
- ❌ Slight noise from air baffles when shifting
Final Verdict
If you’re after an affordable camping mattress that delivers on comfort and portability for fair-weather adventures, the Simond MT500 is a top pick. Its glowing user reviews and our hands-on testing confirm it as the best budget camping mattress of 2025 for festivals and summer trips. For the price, few competitors come close.
FAQ
Is the Simond MT500 suitable for side sleepers?
Yes, the 8cm thickness provides enough cushioning for most side sleepers, though those with sensitive hips may want a dedicated pillow for extra support.
Does the MT500 require a pump?
No, it’s self-inflating. Simply open the valve and let the foam expand. You may need a few breaths to reach desired firmness.
Can I use the MT500 for backpacking?
Yes, at 580g it’s light enough for weekend backpacking trips, though ultralight hikers may prefer a lighter pad. It packs small enough for a standard 40L pack.
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