[ Set Product ] Baby & Kids Friends_Kids Non-Slip Floor Socks Glue Type Indoor Use Safety Design (6 Pairs)

¥2,099

A Complete Guide to Measuring and Choosing Sock Sizes [Japanese/US/EU Conversion Chart Included]

"My toes have too much room," "the elastic is too tight around my ankle"...these might be due to incorrect size selection. This guide explains how to choose the right sock size, from correctly measuring your foot length to selecting socks based on age and purpose, including a conversion chart for Japanese, US, and European sizes.

All you need is paper and a ruler. The first step is to correctly measure your foot length (from heel to toe).

Sock sizing can vary slightly between brands and countries. It's safest to first determine your foot length (the distance from the back of your heel to the tip of your longest toe) and then choose the closest size using a conversion chart. Adjust the fit according to your purpose (commuting, exercise, cold protection).

1. How to Correctly Measure Foot Length (5 Steps)

Secure paper to the floor: Align the edge of the paper with a wall and secure it with tape so it doesn't move.
Stand with your heel against the wall: Distribute your weight evenly. Remove your socks and stand barefoot.
Mark the position of your longest toe: Draw a line at the tip of your longest toe (either your big toe or index toe).
Measure from the wall to the mark: Use a ruler to measure in "mm" (=foot length).
Measure both feet and use the longer one: Since there can be a difference between your left and right foot, use the measurement from the longer foot as your standard.

💡 Tip: Your feet tend to swell in the evening, so it's less likely to make a mistake if you measure twice, in the morning and evening, and choose the larger size.

2. Japanese/US/EU Size Conversion Chart

There may be variations depending on the brand. Please use this as a guideline (for half sizes, adjust up or down based on your preferred fit).

Japan (cm)	US (Men/Women)	EU	Approximate Sock Size (General)
22.0–24.0	US W5–7	EU 35–37	Women's S–M / Unisex S
24.5–26.0	US M6–8 / W7.5–9.5	EU 38–41	Unisex M / Men's S–M
26.5–28.0	US M8.5–10	EU 42–44	Unisex L / Men's M–L
28.5–30.0	US M10.5–12	EU 45–46	Men's L–XL

※ Sports/compression types may have a slightly tighter fit (adjust according to purpose).

3. How to Choose Socks by Age and Purpose

Kids

Since children grow quickly, choose a slightly larger size. Ribbed cuffs are recommended to prevent slipping.
Socks with heel markers are convenient for school or physical education.

Women's

For pumps and loafers, thin socks with non-slip inner features are comfortable.
For cold weather, consider wool blend/double-knit; for swelling, consider light compression.

Men's

For business, thin crew socks with reinforced heels and toes last longer.
For sports, sweat-wicking and quick-drying + arch support are ideal.

Sports/Outdoor

Running/Gym: Thin to medium-thick quick-drying mesh + arch support
Hiking: Medium to thick merino wool blend + essential to check compatibility with shoes

4. Relationship Between Sock Length (Ankle/Crew/Knee-High) and Size

Ankle length: Popular for sneakers. For low-cut shoes, use ones with non-slip features.
Crew length: Most versatile. The tightness at the calf changes, so check the cuff design carefully.
Knee-high socks: For warmth and compression. If your calves are thicker, consider sizing up.

💡 Point: Even with the same foot length, the fit changes depending on the thickness of your calves. Be careful with prolonged tightness from compression types.

View Women's Socks View Men's Socks View Kids' Socks Foot Health Check (Free PDF)

Frequently Asked Questions

If I'm unsure about the size, should I go larger or smaller?

For everyday wear, slightly larger is generally better, while for sports or compression socks, slightly tighter is the guideline. If in doubt, also check the return policy.

What's a safe size to choose for a gift?

If you don't know the recipient's shoe size, Unisex M (approx. 24.5–26.0cm) made of highly stretchy material is a safe bet.

Sock Style Guide (Free PDF)

Seasonal, color, and styling tips in one guide.

Complete Sock Care Guide (Free PDF)

Basic washing, drying, storage, and material-specific care.

Foot Health Checklist (Free PDF)

5 self-checks + daily care.

Product Details

SOCKSLOVER SELECT

[Set Product] Baby Kids Friends_Kids Non-Slip Floor Socks, Glue Type, Indoor Use, Safety Design (6 pairs)

Baby Kids Friends non-slip floor socks are designed for indoor safety and come in a set of 6 pairs for comfortable wear for babies and kids.

Reasons to Choose

Safe for indoor use with non-slip sole
Gentle and comfortable to wear with combed cotton material
Durable construction using jacquard technology
Available in sizes for ages 0 to 5

Floor socks designed for safety and comfort

These floor socks feature a non-slip sole to support babies and small children walking indoors. Made with combed cotton, they are soft to the touch and comfortable for extended wear. They are knitted with jacquard technology for durability. Available in a wide range of sizes: 10-12cm (recommended for 0-1 years), 12-14cm (recommended for 1-3 years), and 14-16cm (recommended for 3-5 years), suitable for both boys and girls.

Recommended for these occasions

For baby's first steps
For indoor play or nursery use
For keeping feet warm in cold seasons
Also perfect as a gift

Cute and wide variety of colors to choose from

With a wide variety of colors including solid colors and stripes, designs for boys, girls, and even men's/women's styles are available. You can choose according to your child's preferences or to match their outfits.

Color Lineup

Available in 10 colors: Black & White Gray, Black, Boy Color, Girl Color, Gray, Men's Solid, Men's Stripe, White, Women's Solid, Women's Stripe.

Product Images

Product Information

Product Name	[Set Product] Baby Kids Friends_Kids Non-Slip Floor Socks, Glue Type, Indoor Use, Safety Design (6 pairs)
Category	Socks
Material	Cotton
Size	10-12cm (recommended for 0-1 years), 12-14cm (recommended for 1-3 years), 14-16cm (recommended for 3-5 years)
Weight	Please check the product page
Closure	Please check the product page
Pockets	Please check the product page
Color	Black & White Gray, Black, Boy Color, Girl Color, Gray, Men's Solid, Men's Stripe, White, Women's Solid, Women's Stripe

To purchase with peace of mind

SOCKSLOVER is an online store operated for customers in Japan.

We strive to ensure a secure shopping experience by clearly stating delivery times, return conditions, and contact information.

Shipping and Returns

Shipping: SOCKSLOVER offers free shipping on all products. After placing your order, we typically prepare for shipping within 2-4 business days, and delivery takes approximately 7-14 business days after dispatch.

Returns & Refunds: In case of product defects, we will provide a refund or reshipment. Please refer to our return and refund policy for details.

Frequently Asked Questions

Q. What age are these socks for?

A. 10-12cm is recommended for 0-1 years old, 12-14cm for 1-3 years old, and 14-16cm for 3-5 years old.

Q. What material are they made of?

A. They are made of combed cotton, which is gentle on the skin.

Q. What kind of non-slip sole do they have?

A. They have a glue-type non-slip sole to support safe walking indoors.

Reviews

Shipping & Returns

Shipping

SOCKSLOVER is proud to offer worldwide shipping.
After your order is completed, it usually takes 2-4 business days for us to prepare it for shipping.
We do our best to deliver your order as quickly as possible.

Once your order has been shipped, delivery typically takes 7-14 business days, depending on the country or region.
*Please note that delivery may be delayed due to holidays, natural disasters, pandemics, or other unforeseen circumstances.

Returns

Our return policy is 30 days. If 30 days have passed since you received your item, we cannot offer you a refund or exchange.

[ Set Product ] Baby & Kids Friends_Kids Non-Slip Floor Socks Glue Type Indoor Use Safety Design (6 Pairs)

A Complete Guide to Measuring and Choosing Sock Sizes [Japanese/US/EU Conversion Chart Included]

1. How to Correctly Measure Foot Length (5 Steps)

2. Japanese/US/EU Size Conversion Chart

3. How to Choose Socks by Age and Purpose