A wide camping mat is useful when a standard mat leaves your elbows hanging off the sides or gives you little room to turn. Extra width can make a real difference to how you use the sleeping surface, but it also needs room in the tent.
Measure both the sleeper and the shelter before buying. “Wide” is a size label, not a standard dimension shared by every brand.
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Find out where you need the space
Lie on your existing mat in your normal sleeping position. Notice whether the problem is at your shoulders, elbows, hips or knees when curled up. A tapered mat may be wide at the shoulders but considerably narrower where your legs move.
If you have no mat to try, mark a candidate’s outline on the floor using pieces of string or paper. This cannot tell you how supportive the mattress feels, but it can expose a width problem before you order. Include the taper rather than drawing a generous rectangle for a mummy-shaped design.
Regular Wide does not necessarily mean longer
Some ranges offer extra width at the standard length, which is useful if you want more turning room without paying the weight and space cost of a longer mat. Compare the actual numbers rather than assuming Large and Wide mean the same thing.
For example, the XLite NXT size chart lists Regular at 183 × 51 cm and Regular Wide at 183 × 64 cm. That is 13 cm more width at the same length. You can compare the Regular Wide XLite NXT on Amazon UK with the dimensions of your current mat.
Will two wide mats fit?
Add the widths at the points where the mats will sit together, then compare that with the bedroom floor plan. Two 64 cm-wide mats need 128 cm at their widest combined point. That arithmetic does not include clearance from walls or prove that two tapered shapes will sit neatly in a tapered tent.
Also measure the sleeping length, door opening and where you will keep small items. A floor entirely filled by mattresses can work, but it leaves little room for a bag and can make an exit awkward. Try the complete arrangement before a trip.
Make the trade-off deliberately
- Choose extra width when the standard size restricts your usual sleeping position.
- Consider a rectangular shape if the missing space is around your knees or feet.
- Consider one wide and one standard mat if two people have different needs and tent space is tight.
- Check packed dimensions if the mat must share a rucksack with all your other equipment.
A shared double mattress is another arrangement to consider, but it changes packing, firmness adjustment and how the bed works when one person camps alone. Choose it for those reasons rather than simply assuming “double” solves every width problem.
The best wide mat is the one whose extra space appears where you need it and still leaves a workable bedroom. A short floor-plan check is more useful than buying the widest model you can find.
For a broader comparison of mattress constructions, see our camping mattress buying guide.
Reviewed 10 September 2026. This guide is based on published specifications and guidance.