Description
Superfeet FLEXthin Insoles
Dynamic Comfort - Low Profile
The Superfeet FLEXthin insoles combine innovative design with ultra-thin support, featuring 3mm Aerospring™ comfort foam and a flexible horseshoe-shaped heel cradle. These low-profile insoles are specifically engineered for tight-fitting footwear, providing optimal support without compromising shoe fit.
Developed with a special flex design that hugs your arches and cradles your heels, these insoles help reduce stress on feet, ankles and knees. The MOISTUREWICK™ technology with ventilated forefoot ensures lasting freshness, while the beveled edge enhances fit in slim-fitting shoes.
Technical Features:
• Aerospring™ Comfort: 3mm thin foam provides heel-to-toe cushioning
• Flexible Design: Horseshoe-shaped heel cradle for structure and stability
• MOISTUREWICK™ Technology: Advanced odour control and breathability
• Ventilated Forefoot: Improves air circulation
Size Guide:
| Size Letter | UK Shoe Size | Fit Type |
|---|---|---|
| B | 2-3.5 | Slim Fit |
| C | 4-5.5 | Slim Fit |
| D | 6-7.5 | Slim Fit |
| E | 8-9.5 | Slim Fit |
| F | 10-11.5 | Slim Fit |
Perfect For:
These ultra-thin insoles excel in tight-fitting footwear, even those without removable insoles. Ideal for those seeking to add comfort and support while maintaining a perfect fit in their shoes. The 3mm profile makes them versatile enough for dress shoes, casual footwear, and any situation where space is at a premium.
Additional Benefits:
Each pair comes with Superfeet's 60-day comfort guarantee, allowing you to experience the benefits risk-free. Can be trimmed to fit your shoe size for a customised fit.

















