they prevent blisters caused by shoes rubbing when the back of your shoes are too loose

This Insole Support Fits Nicely in all Footwear

Black and Green Color

Los Altos Boots Mens #65G0707 Round Toe | Genuine Teju Lizard Boots Handcrafted | Color Brown

Pedifix Pedi-Smart Heel Hugs (#PFP68) Hunting Shoes they prevent blisters caused byPedifix Pedi Smart Heel Hugs (#PFP68) Instantly stop shoes from slipping off and rubbing against the back of sore heels. These soft foam cushions also absorb shock to soothe and protect. Self adhesive backings allow easy positioning in womens or mens footwear. Trimmable. Cushion and Protect Stop Slipping & Rubbing Relieve Heel Pain Self Adhesive, Stay in Place 1 pair.