What is the reason why underwear always sticks in the crotch?

The reason why underwear always sticks in the crotch may be related to factors such as inappropriate size of underwear, poor elasticity of the material, design defects, changes in body shape or improper wearing method. Long-term crotch sticking may cause skin friction damage or local discomfort, which requires targeted adjustments.

1. The size is inappropriate

Underwear that is too small in waist or hip circumference will put direct pressure on the groin, causing the fabric to pile up toward the perineum. When purchasing, you should refer to the actual waist and hip circumference data and avoid choosing based on the size label alone. When exercising, it is recommended to choose a size one size larger than your daily size to allow room for movement.

2. Material issues

Low-elastic fabrics such as pure cotton tend to shrink and harden after washing, while chemical fiber blended materials may increase friction due to lack of breathability. Modal and spandex blended materials can maintain good ductility. Choosing a style containing 5%-10% elastic fiber can reduce the probability of crotch sticking.

3.Design defects

The crotch of some underwear is too narrow or the seams are improperly positioned, which will cause displacement when walking. Boxer briefs are more likely to cause marks at the base of the thigh than briefs, so you can choose styles with seamless welding or three-dimensional tailoring. The high waist design can reduce the crotch jam caused by the waist slipping.

4. Body shape changes

Weight gain will cause fat accumulation on the inner thighs to change the fit of the pants, and the forward tilt of the pelvis during pregnancy will also change the stress point of the underwear. When bodybuilders have developed leg muscles, traditional underwear styles may no longer be suitable and they need to replace them with professional sports underwear.

5. Dressing habits

Wearing underwear with hemmed edges for a long time will change the force distribution, and strong dehydration in the washing machine may cause deformation. It is recommended to wash by hand and dry in the shade to maintain the shape. When wearing, make sure the waist is parallel to the navel to avoid pulling on one side.

On a daily basis, you should choose light-colored underwear with good breathability to facilitate observation of secretions. If your crotch gets stuck repeatedly, you can try a male-specific pouch design or a female high-waisted seamless style. Check the elasticity of the underwear's elastic band every week and replace it promptly if it is deformed. Use neutral detergent when washing to avoid fiber hardening. People who sit for long periods of time should get up and move around every hour to improve local blood circulation. When exercising, quick-drying materials are preferred to reduce friction. If the stuck crotch is accompanied by skin redness, swelling or itching, you should seek medical attention promptly to rule out the possibility of fungal infection.