【Safty Footwear】These functional inserts for men and women fit boots and any comfortable walking. Give reliable protection for rock climbing, ball games, sports, camping, running & more. Good Anti-Fatigue Technology for those who stand on their feet for prolonged periods of time such as retail employees and service industry workers. Also good for elderly people with degeneration of their feet

【30 Million Small Bubbles】 inserts Mainly made of high-quality PU elastomer which containing 30 million bubbles, resistant to abrasion, flexing, ageing and mold. 30 million small bubbles help you absorb pressure and provide stable support and power to your feet. they are comfortable but not flexible like foam, so not cause rebound damage to the joints like foam.

【Honeycomb Design Gel】 The forefoot and heel area add two high-buffered honeycomb design Gel, which reduces the pain of the foot after prolonged standing, walking, exercise or foot function degradation. It has also been shown to have a significant relief effect on the pain of the forefoot caused by bunion and the plantar pain caused by plantar fasciitis.

【U Cup and BRT Arch Support】The U cup heel wrap-around and BRT arch support design effectively to maintain correct foot positioning,relieve and prevent foot problems. If you have suffered a foot varus, foot valgus or other foot problems, it is recommended to slowly increase the length of use and gradually return to normal foot positioning.

Thickness: Men(forefoot 5 mm/heel 9 mm),Women(forefoot 4 mm/ heel 8 mm).Trim to fit, replace the original insole if use on sports shoes. If use on leather shoes, please ensure the shoes are 1-2 yards larger than your normal size to ensure the use of the insole.