Wear the jeans while they are slightly damp
Do squats, lunges, and stretches while wearing them
Pull the waistband, thighs, and calves gently by hand
Use a spray bottle of warm water to dampen tight areas
Insert a chair, pillow, or towel roll into tight sections overnight
Use a jeans stretcher or waistband stretcher
Soak the jeans in lukewarm water, then wear them until dry
Steam the tight areas with a garment steamer, then stretch by hand
Lay the jeans flat and tug evenly on the seams
Repeat the process gradually instead of forcing a large stretch