




Bio Advanced 3/4 Length Insole
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Why choose the Bio Advanced 3/4 Length Insole?
Metatarsal raise and sustentaculum tali support
Heat-mouldable and grindable
Tracked delivery & easy returns
Reliable UK delivery with tracking, plus straightforward returns on eligible products.
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Use the latest measurements below to choose the most suitable size for this product before ordering.
The Bio Advanced 3/4 Length Insole is a clinically engineered, flexible EVA foot orthotic specifically designed for patients requiring targeted biomechanical support. Not only does it come in low, medium, and high densities, but it also accommodates varying levels of control and cushioning. As a result, patients benefit from tailored support that suits their individual needs. Moreover, its ¾ length design enhances compatibility with a wide range of footwear, making it an ideal option for everyday use.
In terms of materials, the orthotic is crafted from high-quality EVA and features an antimicrobial microfibre top cover, which together ensure both durability and hygiene. Additionally, intrinsic 4° rearfoot posting helps manage pronation, while the metatarsal raise and sustentaculum tali support improve midfoot stability. Equally important, the orthotic is heat-mouldable and grindable, enabling clinicians to carry out chairside modifications easily. To further enhance customisation, each pair includes complimentary self-adhesive components, such as heel cushions, rearfoot wedges, heel lifts, calcaneal dell plugs, and 1st metatarsal head and ray replaceable plugs. Altogether, these features make the orthotic highly adaptable to individual patient requirements.
*Product May Contain Latex
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| Best suited to | Structured foot support while preserving toe-box space | Structured support extending under the whole foot | Clinician-selected rearfoot posting in a slim shell | Medium-arch support in a compact neutral-heel shell |
|---|---|---|---|---|
| Main support feature | 4-degree rearfoot post with metatarsal raise | 4-degree rearfoot post and metatarsal contouring | 4- or 6-degree post with interchangeable top-cover lengths | Neutral heel cup with adjustable shell and top cover |
| Targeted support | Heel, arch and metatarsal support | Heel, arch and forefoot support | Rearfoot and arch control | Rearfoot and medium-arch support |
| Construction | Three-quarter-length mouldable EVA | Full-length EVA in low or medium density | Heat-mouldable TPU; modification components included | Three-quarter polypropylene shell; EVA cover |
| Support style | Short posted orthotic; clinician adjustable | Full-length posted orthotic | Slim customisable posted orthotic | Medium-arch clinician-adjustable orthotic |


