Formthotic Size Charts & Fit Information - Size Chart

Formthotic: Precision Foot Support

Specialized orthotic insoles for medical and sports applications.

Size Conversion Chart

UK Size	US Size	EU Size	Length (cm)
XXS	4-5	35	20-22.5
XS	5.5-6	35.5-37.5	23-24
S	6.5-7.5	38-40	24.5-25.5
M	8-9	40.5-42	26-27
L	9.5-10.5	42.5-44	27.5-28.5
XL	11-12.5	44.5-46.5	29-30
XXL	13-15	47-50	30.5-32

Sizing Instructions

Measure foot length accurately
Select size based on shoe size and foot length
Can be trimmed for custom fit

Sizing Information

General Fit

Formthotic sizing tends to follow standard UK sizing. However, we recommend checking the specific size chart for each item.

Fit Recommendations

Check product-specific size charts when available
Read customer reviews for fit feedback
Consider the item type (slim fit, regular fit, etc.)
When in doubt, contact customer service

Important: This page provides essential and expertly curated size conversion information that should be used in conjunction with the complete interactive tools available at sizechart.uk. For the most accurate size conversions and access to our comprehensive database of brand-specific charts, measurement guides, and real-time conversion tools, please visit the full website. The information presented here represents only a portion of our complete sizing resources and should be evaluated within the context of your specific sizing needs and the brands you're shopping for. It is impossible to determine the anatomical size of a shoe or clothing item without the use of a measuring tape or ruler in conjunction with the size chart.