Fitted Sheets: Finding the Right Size and Material Quality

A fitted sheet that neither pulls taut nor slips depends on two things: the right size and a suitable material. Anyone who buys based on mattress size alone often overlooks the wall height – how tall the mattress actually is, topper included. The result is corners that pop loose at night, or a sheet that stretches over the mattress like jeans a size too small. This guide shows how to measure your mattress correctly, which standard sizes exist in Germany, and how jersey, Mako sateen, percale, and linen differ in feel, care, and durability.

Why Size and Fit Determine Comfort

With a fitted sheet that's too small, a single turn in your sleep is enough for the fabric to snap back off the mattress corner. One that's too large, on the other hand, throws up folds that shift uncomfortably under the sheet and your body. Both issues have the same root cause: the stated size doesn't match the actual mattress – not the bed size, but the mattress itself, including its height.

Measuring Your Mattress Correctly: Length, Width, and Wall Height

Length and width are measured at the mattress's widest and longest points, without stretching the tape measure. The third measurement – and the one most often forgotten – is the wall height: the distance from the sleeping surface down to the bottom of the mattress. Classic mattresses typically measure 15 to 25 cm, while boxspring systems with a topper quickly reach 30 to 40 cm. A fitted sheet with too low a wall height can technically be pulled over the mattress, but it sits under tension and comes loose at the corners.

Manufacturers usually state the wall height as a range, such as "up to 25 cm" or "30-40 cm," since the sewn-in elastic edge compensates for a few centimetres of leeway. If your mattress with topper falls outside this range, a fitted sheet made for extra-high mattresses is worth choosing instead of the standard version.

Fitted Sheet Sizes at a Glance

In Germany, fitted sheets are sized according to common mattress measurements in centimetres, not bed categories such as "double bed" or "single bed" – these terms aren't consistently defined. The overview below shows which measurements match which mattress size.

Special Sizes for Boxspring Beds and Extra-High Mattresses

Boxspring beds consist of a sprung base, mattress, and topper – a combination that sits noticeably higher than a classic mattress. For this construction there are dedicated fitted sheets with wall heights of up to 40 cm, designed to be pulled over the entire system, as well as separate, thinner fitted sheets just for the topper. Anyone who pulls a regular fitted sheet onto a boxspring bed usually notices quickly that the elastic reaches its limit and the corners come loose.

Material and Quality: Jersey, Mako Sateen, Percale, and Linen

Jersey

Jersey is knitted rather than woven, which makes it stretchy in every direction – useful for irregularly shaped mattresses. Its weight usually falls between 150 and 180 g/m², and the feel is soft, similar to a T-shirt. Jersey is easy to care for and generally washable at 60 degrees, though after many washes it tends to lose its shape more than woven fabrics.

Mako Sateen

Mako sateen is woven in a twill weave from fine, long-staple cotton and typically has a thread count of 80 to 140 threads per square centimetre. The weave gives it a smooth, slightly lustrous feel and a cool touch that many sleepers appreciate on warm nights.

Percale

Percale is woven in a plain weave – over, under, over, under – which makes it sturdy and tear-resistant. The feel is more matte and firmer than sateen, and the surface feels cool to a lesser degree. For anyone who prefers firmer, classic fabrics, percale is often the more durable choice.

Linen

Linen made from flax fibres absorbs moisture quickly and releases it again – an advantage for anyone who tends to sweat at night. The texture is deliberately irregular, with a visible woven edge, and it grows softer rather than thinner with every wash. Anyone who tends to feel cold, on the other hand, should look for warmer fabrics such as flannel or brushed cotton (Biber).

Spotting Good Craftsmanship: What to Look for When Buying

An elastic band running all the way around the edge holds a fitted sheet in place more securely than elastic only at the four corners. Sewn-in labels with size and care information are a sign of clean workmanship, as are double-stitched seams at the corners, the point of highest tension. With high-quality Mako sateen, you can also spot a dense, even weave with no see-through patches when held up to the light.

Care: How to Make Fitted Sheets Keep Their Fit Longer

Washing at the temperature stated on the label protects the elastic edge, which loses tension if exposed to excessive heat or frequent tumble drying. Sateen and percale can usually be washed at 60 degrees, while linen, according to the care label, often tolerates 40 to 60 degrees as well. Pulling the sheet over the mattress while it's still slightly damp after washing reduces creasing without putting extra strain on the fabric in the dryer.

Why Maison de Cocon

• Every product page in the Bed Linen collection states the exact dimensions, so you can check before buying whether the fitted sheet matches your mattress.
• We describe material and weave type transparently, so you can tell jersey, Mako sateen, and percale apart with confidence.
• If you have questions about unusual mattress heights or special formats, our customer service team can help you find the right size.
• The Bed Linen collection can be filtered by size and material, so you can search specifically for your measurements.

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