HappyStep Sport Insoles with Gel Heel Cup and Arch Support
Features:

Elastic plate in the arch region provides superb elasticity and shock absorption, buffering the impact force during movement,
Activated carbon fiber material quickly absorbs perspiration, keeping the feet fresh and dry, resulting in excellent odor control,
Stoma design provides better air circulation inside shoes,
Arch support insoles improve balance while providing relief from arch pain for all day comfort,
Gel Heal Cup provides excellent cushioning,
Unisex,
One Size Fits All : easily trimmable by cutting to fit your exact size! Length 28cm, Width 9.5 cm (US Men's size 8-11 or US women's size 10-12).
Instruction for Use
Remove the current insoles from your shoes
Place HappyStep insoles with your current insoles back to back
If your original insoles are smaller than HappyStep insoles, you can trim along the outline on the bottom of HappyStep insoles to match the size of your current insoles
Insert HappyStep Insoles into your shoes (do not put HappyStep insoles on top of your current insoles in the shoes as it would be too thick and wide)
Doctors HIGHLY RECOMMEND that you replace your insoles every 3 months to promote healthy feet