Quick Answer: Most shoe damage happens when cleaning, drying or stretching is too aggressive. Use the mildest cleaning method that works for the material, air-dry footwear away from direct heat, stretch gradually, and repair minor sole separation before dirt and moisture enter the gap. BestWalkingFeet already has detailed guides for white shoes, canvas shoes, dryers, shoe stretching and shoe glue; this page brings those resources together by task and material.
Shoe Cleaning Guides
How to Dry Shoes Safely
High heat can deform midsoles, shrink uppers and weaken adhesives. When possible, remove the insoles and laces, open the shoe to improve airflow and let it dry at room temperature. See Can You Put Shoes in the Dryer? for material-specific guidance.
Stretching Tight Shoes and Boots
Stretching works best for small fit adjustments, not for turning the wrong size into the right size. Leather and some textile uppers can relax slightly, but length changes are limited. Start with our guide to stretching shoes and boots, then see our shoe and boot stretching products guide if you need tools.
Shoe Glue and Minor Repairs
Small separations between an outsole and upper can often be repaired if the materials are still intact and the failure is localized. Clean and dry the surfaces before applying adhesive and follow curing instructions carefully. Our best shoe glue guide compares common repair products.
When to Repair vs. Replace
Repair makes sense when the upper, midsole and fit are still good and the problem is cosmetic or localized. Replacement makes more sense when the midsole is permanently compressed, the outsole is worn through, the shoe has become unstable or the upper structure has failed. For running shoes, see how to know when to replace your running shoes.