The trousers that slide down

Short answer: Trousers slide down when the waistband is too big or the elastic is worn. A drawstring can help for a while, but the right size and a waistband that still holds are the real solution.

The waist measurement

The waistband should sit snugly without squeezing. Measure where the trousers actually sit, not at your natural waist if you wear them lower. Many people choose a size by leg length and overlook that the waistband is what holds the trousers up. See the measuring guide.

Worn elastic

If the trousers used to stay up and no longer do, the elastic is worn out. It becomes slack and gives without springing back. This happens gradually, so many people only notice when the trousers slide down several times a day. See how to tell that clothes are worn out.

The drawstring

A drawstring holds the trousers up, but it cannot rescue a waistband that is far too big. If you pull it very tight, the fabric bunches into folds around the stomach, which is not comfortable. Use the drawstring to fine tune the fit. See bamboo sweatpants for men.

Weight in the pockets

A phone, keys and wallet pull the trousers down, especially in soft fabrics. You notice it most when walking or standing up. Put the heaviest items in a jacket or bag, or spread them across both pockets so the pull is not on one side only.

After weight loss

After losing weight, the waistband rarely fits any more, even if the legs still look fine. It is a good reason to measure again and choose a new size. Many people hold on to old trousers for too long. Read more about fit after a change in weight.

The material

Soft, supple fabrics are pleasant to wear, but they also give more. A waistband in a soft fabric therefore needs elastic that holds and a fit that sits close. Bamboo viscose is smooth and light, and with good elastic in the waistband the trousers stay put when you move.

For women

The same advice applies for women. Measure where the trousers sit and choose a style with a wide, soft waistband that spreads the pressure without squeezing. See the matching styles in bamboo sweatpants for women.

Washing

The tumble dryer wears out elastic fastest, because the heat makes it stiff and slack. Wash at 40 degrees and let the trousers dry on a rack. The waistband then keeps its shape longer, and the trousers last several seasons. See the washing guide.

When it is time for new ones

If you have tried both a drawstring and a smaller size without luck, the waistband is worn out. The trousers can still be worn at home, but they will never be good outside again. Many people keep one soft pair for the sofa and another for the rest of the day. See bamboo loungewear for men.

Between two sizes

If you are between two sizes, the choice depends on how you wear the trousers. For home, the larger size may be more comfortable, especially with a drawstring. If you wear them out all day, the smaller size is often better, because the waistband then holds them up on its own.

Frequently asked questions

Why do my trousers slide down?

Because the waistband is too big or the elastic is worn. Heavy items in the pockets and a soft fabric make it worse.

Can a drawstring fix it?

A drawstring helps for a while and is good for fine tuning. It cannot rescue a waistband that is far too big, because the fabric then bunches into folds.