American-Made Manufacturing certified

American-Made Manufacturing

Lifetime Guarantee Assurance certified

Lifetime Guarantee Assurance

Men's King Size Socks

The Railroad Sock's Men's King Size Socks collection offers crew, quarter, boot, and therapeutic styles engineered for shoe sizes 12-15. Available in cotton, Merino wool, and copper-infused fabrics, these American-made socks deliver all-day comfort, durability, and moisture control for work, athletic, outdoor, and everyday wear.

King Size Socks Collection
Men's Merino Wool Crew Socks (1pr)
Health Trak® Therapeutic Socks (Collection)
Running Socks Collection (The Railroad Sock)
Hunting Socks Collection (multiple styles including Men's Outdoor Wool Hunter Boot Socks, Men's Merino Wool Boot Socks, Steel Toe Boot Crew Socks, etc.)
No Show Socks Collection

Our Range of Products

King Size Socks Collection

King Size Socks Collection

  • Sized specifically for shoe sizes 12-15 US
  • Crew, quarter, therapeutic & boot styles
  • Merino Wool option for year-round comfort
Men's Merino Wool Crew Socks (1pr)

Men's Merino Wool Crew Socks (1pr)

  • The 'Do Everything Sock' for year-round wear
  • Soft Merino Wool wicks moisture, regulates heat
  • Available in King Size plus 4 color options
Health Trak® Therapeutic Socks (Collection)

Health Trak® Therapeutic Socks (Collection)

  • Full terry cushion foot for all-day comfort
  • Menthol-infused cooling for foot pain relief
  • King Size fit available across styles
Running Socks Collection (The Railroad Sock)

Running Socks Collection (The Railroad Sock)

  • No Show, Quarter & Micro Crew running styles
  • Copper & menthol-infused pain relief options
  • Merino Wool regulates temperature during runs
Hunting Socks Collection (multiple styles including Men's Outdoor Wool Hunter Boot Socks, Men's Merino Wool Boot Socks, Steel Toe Boot Crew Socks, etc.)

Hunting Socks Collection (multiple styles including Men's Outdoor Wool Hunter Boot Socks, Men's Merino Wool Boot Socks, Steel Toe Boot Crew Socks, etc.)

  • Merino Wool keeps feet warm, dry outdoors
  • Reinforced heel and cushioned sole durability
  • Steel toe boot compatible with extra padding
No Show Socks Collection

No Show Socks Collection

  • Low-profile design stays hidden below shoes
  • Copper-infused yarns fight odor & bacteria
  • Bulk packs of 2, 3, 4 or 6 pairs save more

Frequently Asked Questions

What shoe sizes do King Size socks fit?

The Railroad Sock's King Size socks are specifically designed for men's shoe sizes 12-15 (US), offering a roomier foot bed and extended leg length compared to standard large socks, ensuring a comfortable, non-restrictive fit for larger feet.

What materials are available for King Size socks?

Do King Size socks work with steel toe boots?

Are King Size socks suitable for diabetics or sensitive feet?

What pack sizes are available for King Size socks?

How do I care for Merino wool King Size socks?

Does The Railroad Sock offer free shipping on King Size socks?

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

Industries We Serve

Industrial & Construction Work

Industrial & Construction Work

Reinforced King Size socks built for steel toe boots and long shifts on job sites and work floors.

Outdoor & Hunting

Outdoor & Hunting

Warm, moisture-wicking Merino wool boot socks designed for hunting, camping, and horseback riding.

Athletic & Sports

Athletic & Sports

Cushioned quarter and no-show King Size socks that support running, training, and everyday athletic wear.

Therapeutic & Healthcare

Therapeutic & Healthcare

HealthTrak® terry cushion King Size socks provide comfort and circulation support for sensitive feet.

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

You might also like

Why Big & Tall Workers and Outdoor Enthusiasts Choose The Railroad Sock

120+ Years of American Craftsmanship

Since 1901, every pair is manufactured in the USA with time-tested construction built for demanding work and outdoor conditions.

True King Size Fit (12-15)

Purpose-built sizing for shoe sizes 12-15 ensures a secure, comfortable fit that standard large socks simply can't match.

Lifetime Guarantee on Every Pair

Every sock is backed by a lifetime guarantee, reflecting confidence in durable materials and reinforced heel-and-toe construction.

Get Expert Help Choosing Your Perfect King Size Socks

Tell us about your sizing needs and intended use, and we'll recommend the best King Size sock styles and materials for you.

Contact Us Today

For immediate assistance, feel free to give us a direct call at 800-825-0296.