5mm Round Rope Shoelaces (Heavy Duty/Boots)

Equip your heavy-duty boots or street sneakers with a rugged, industrial-grade Coolnice rope lace.

  • Maximum Durability: Ultra-thick 5mm round rope structure engineered specifically to handle punishing wear and tear.
  • Heavy-Duty Knot Security: Deeply textured weave binds tightly upon itself to eliminate slipping in demanding environments.
  • Bespoke Options: Available in lengths ranging from 20cm to 160cm in convenient 5cm increments, across 14 versatile colors including Black, White, Grey, Brown, and Navy Blue.
  • What's Included: Sold as a matching pair (2 heavy-duty laces) optimized for large eyelets.

Product Options:

Sizing Guide

Length Shoe Eyelets Recommended For
70cm (28") 3 - 4 Eyelets Low-top Sneakers
90cm (36") 4 - 5 Eyelets Running Shoes
115cm (45") 5 - 6 Eyelets Standard Sneakers / Dress Boots
140cm (54") 6 - 7 Eyelets High-top Sneakers / Work Boots
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As low as: $16.95
SL-RND-ROPD5

Footwear Compatibility & Best Use (Best Suited For)

The Coolnice 5mm Round Rope Shoelaces are engineered specifically for heavy-duty boots, rugged work footwear, hiking boots, and heavy-duty street sneakers. The robust 5mm diameter and dense rope construction provide the structural integrity required to fit larger eyelets and withstand the high-tension demands of heavy footwear.

Material Performance & Structure

  • Durability & Stretch/Tension: The high-tensile round rope design resists snapping and maintains consistent tension under heavy load and rigorous daily movement.
  • Wear Resistance: The tightly woven exterior minimizes friction against metal eyelets and rugged hardware, preventing premature fraying and surface wear.
  • Moisture Response: The industrial-grade fibers resist moisture retention, drying efficiently after exposure to rain, mud, or sweat during heavy outdoor use.

Aglet or Component Configuration

Aglet Options: Finished with durable tips to prevent fraying. Metal aglets are available across all available colors, while plastic aglets are available on select colors. Choose your preferred tip finish from the options menu above to secure the ends through tight eyelets.

Care & Maintenance

To clean, wipe down the rope surface with a damp cloth and mild detergent. For deeper cleaning, hand wash in lukewarm water. Air-dry naturally away from direct high heat sources or direct sunlight to preserve the structural integrity of the fibers.

Pro Tip: Measuring your existing laces is the foolproof way to ensure a perfect fit. No laces? Use our calculator below to get an estimate.

Find Your Shoelace Length

Use our quick calculator to find the best shoelace length for your shoes.

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Customer Questions
All our regular shoelaces are sold in pairs. 
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