Custom Sock Sizing
95% of socks we manufacture are in the size ‘One Size Fits Most’. This option is great as it works for a wide range of adults and avoids having leftover sizing, that often end up in landfill.
Explore adult, youth, baby sizing and different sock length options below.

Why Choose OSFM Size?

Fits Most Adults
A practical fit for mixed groups of men and women.
Fewer Sock Leftovers
Avoids ordering too many sock pairs in less popular sizes.

Easy to Order
One size keeps planning and distribution very simple.
Explore Our Other Sock Sizes

Adult Sock Sizing
Adult Large
Men’s Shoe Size 9-15
Women’s Shoe Size 10-16

Adult Small
Men’s Shoe Size 5-9
Women’s Shoe Size 6-10

Youth Sock Sizing
Youth Large
Size 3Y-6Y (11-14 Years)

Youth Medium
Size 1Y-3Y (7-11 Years)

Youth Small
Size 10C-13C (5-7 Years)

Baby Sock Sizing
Toddler
2-5 Years

Baby
0-24 Months
To download a full sock sizing chart including US, UK, and EU sizes, click here.
Our Sock Lengths
Most of our sock styles come in multiple lenghts. Our most popular ones:

Custom Sock Sizing Questions
How does sock sizing work?
Most of our clients order our “one size fits most” custom socks but we offer custom sizes for men, women, children, and babies as well. Contact us and we'll guide you through our sizing options.
How can I find the right size of athletic socks to ensure a comfortable fit?
95% of our athletic socks are a one size fits most. Our socks are all made with high-quality cotton and have a good stretch to fit a wide range of feet sizes.If you need larger or smaller sizes you can let our team know and we'll be happy to accomodate.
What is the difference between no show, ankle, crew and knee high athletic socks and when should I choose each style?
Low-cut custom socks are ideal for activities like running, while crew and knee high socks provide additional ankle support.
Can I order custom socks in a specific color or length, like all black or knee-high?
Absolutely. We match any Pantone color with no per-color fees, including a solid black base, and offer lengths from no-show and ankle to crew and knee-high.
Can you make custom socks for kids or babies?
Yes. While most clients order our one-size-fits-most adult socks, we also make custom sizes for men, women, youth, children, and babies. Just tell us the sizes you need and we'll guide you.
Can I see a sample before I order?
Yes. We can send free samples of past work so you can feel the Italian quality, and produce a spec sample of your own design for a small fee before you commit to a full run.
Do you ship custom socks worldwide?
Yes, with free worldwide express shipping included in every order. We can also split shipments to multiple addresses, which is handy for sending socks to remote employees, clients, or event attendees.








