Lie flat on bed to pull the jeans all the way up and zip them. Get up and do some squats to loosen them up a bit. Move around as well by bending over, etc.
Use warm water to get the waist band wet after you have put the jeans on, then move around, i.e. walk, do squats, etc. to help stretch the damp material and wear the jeans until they dry.
Put the pants on and get the waist band wet and then put them on a hanger and let it dry.
Research / Frequent Questions
How to break in tight jeans?
Soak the jeans in warm water for about ten minutes. After you take them out of the water, stretch them in the areas you wish them to stretch. Also stretch them by pulling on the waist band and hem of the legs and repeat that step several times.
Get the jeans on. After you have them on, slip a slim deodorant bottle on one side of the waistband. If you have room left, use a bottle of hairspray or other similar bottle and put in waist band and let them there for a few minutes while you walk, do squats, etc.
Iron your jeans. This will loosen up the material as well
Do not dry jeans, as the dryer causes them to shrink. Let them air dry and stretch them while they are wet before you hang them to dry
How to loosen jeans thighs?
You can put the jeans on and actually just sit in warm water and stretch them that way. Hang them to dry after you soak in tub. Spray water on the jeans and stretch in the legs.
Will 100 cotton jeans stretch?
100% cotton will always stretch. It is just the way cotton is. If you want them to shrink back to their original shape, dry them in the dryer for about a half hour on high heat.