1.Shock Absorption: The 4D Popcorn Structure Full Foot Cushioning Work Boot Insoles for Men return energy with every step, fully absorbing shock and reducing stress on the foot with every step.Provides excellent shock absorption and cushioning for feet and knees. 2.Soft and Highly Elastic: Premium PU material is not tiring to wear and prevents hard soles from rubbing against the soles of the feet, making them comfortable to wear. Its high elasticity can keep the shape of the insole for a long time, not easily squeezed and deformed, and keep the original shape for a long time. 3.Comfort Massage: The running insoles for men have specially designed massage bumps that can be used to massage the foot during wear, relax the foot muscles, relieve foot fatigue, and make walking more comfortable. 4.Insoles for Standing All Day: Our sole inserts take foot comfort to the next level, keeping your legs and feet energized and feeling great all day long. 5.Sweat Absorbing and Breathable: Sweat-absorbing and quick-drying fabric keeps your feet dry, absorbs moisture, and dries quickly, say goodbye to sticky and stuffy feet, no more worrying about sweaty feet. Note: It's best to remove the old insoles from your shoes as they take up too much space. Your feet may feel too tight in your shoes.