How to Add Arch Support to Flip Flops and Sandals (2026)

How to Choose the Right Product

How to Choose the Right Support for Flip Flops & Sandals

When sandals or flip flops leave you with sore arches, the right fix depends on how much structure you want and how you use the shoes. There are three practical approaches: inserts, modifications, or swapping to a supportive sandal/clog. Inserts: removable orthotic or gel inserts are the least invasive option — they slide into sandals with a removable footbed or sit under the liner. Look for inserts with a defined arch height that matches your foot (low, medium, high), breathable materials (gel, foam with fabric cover), and a thin profile if you need to preserve original strap fit. Modifications: simple strap tweaks, such as moving the thong peg or adding an adjustable strap, can improve stability so the foot sits more naturally on an arch insert. Stretchable straps (spandex, soft leather) and adjustable buckles help customize fit and reduce slippage that undermines support. Swap to supportive clogs/sandals: if your sandals are permanently flat or brittle, consider a shoe with a built-in orthotic footbed. Look for a molded insole with arch contour, a shock-absorbing sole (EVA or similar), and non-slip traction if you walk on wet surfaces. Built-in solutions remove guesswork and often provide better overall alignment for heels, knees and lower back.

Other features to prioritize: material durability (EVA, leather, quality synthetics), breathability (mesh or perforated footbeds), adjustability (straps and buckles), and thickness — thicker soles cushion impact but can change shoe fit. Because sizing and comfort are often debated, choose sellers with easy returns or order the next half-size if you’re between sizes. Pay attention to user comments about long-term durability, especially for foam and EVA components.

Budget Tiers

Budget: Simple gel or foam inserts and strap modifiers cost least and work if your current sandals have removable footbeds or room for thin orthotics. Mid-Range: Shoes like the INMINPIN clogs offer built-in orthotics and thick EVA soles at a practical price, combining convenience and reliable arch support. Premium: Higher-end sandals (not in this review) use leather, long-wearing footbeds and advanced orthotic designs; they’re worth it if you need long-term durability and a sleeker look. Choose based on how often you’ll wear the shoes and whether you prefer a discreet insert or an all-in-one supportive shoe.