My normal laces normally chaff and cut through on the quick release catches of my boots ...will these survive this problem?

Not sure. However my partner was going through a pair of laces every 3-4 weeks on his hiking books, these ones are going strong 2=months on.

Has anyone claimed against the guarantee for a broken lace?

If you purchase these from Big Laces then we have a deal with the manufacturer where we honour the guarantee on their behalf. So far we've had to replace 2 pairs of failed laces out of the hundreds we've sold so they are far superior to other laces but not 100% unbreakable given enough time. Hope that helps.DaveBig Laces

What are the tips made of? I spend all day in composite safety boots, going through sensitive airport metal detectors.

Those that I bought have strong plastic tips. Have been using them so far for about a year on a safety boots in a muddy and oily environment and no signs of deterioration so far!

What type of para-aramid is this? Does the source cordage have any brand name? Is it equal to or less strong than Technora?

Don’t know the answer to your question but I purchased a pair off these laces for my work boots and haven’t had any problems with them and there is no sign off wear and that is what I purchased them for

Unbreakable Boot And Shoe Laces

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139 zł

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Sold byAmazon PolandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛠️ Lace up like a pro—because broken laces are so last season!

UNMATCHED STRENGTH - Stronger than steel with a 1500 lb. breaking strength per pair—lace up with confidence.
LIFETIME DURABILITY - Guaranteed for life with abrasion, chemical, UV, and corrosion resistance—never replace laces again.
FIRE HEAT RESISTANT - Engineered to withstand extreme heat up to 630°F, perfect for firefighters and welders.
SECURE FIT ZERO STRETCH - Stretch-free, non-slip design keeps your boots tight and tied through every challenge.
TRUSTED BY PROFESSIONALS - Preferred by law enforcement, EMTs, ironworkers, and adventurers who demand gear that lasts.

Ironlace Unbreakable Boot & Shoe Laces are crafted from 100% advanced para-aramid fibers, delivering 1500 lb. breaking strength and 20 times the durability of Kevlar. Fireproof up to 630°F and resistant to abrasion, chemicals, UV, and corrosion, these stretch-free, non-slip laces are trusted by professionals across demanding industries. Guaranteed for life and designed to fit any boot, they combine cutting-edge materials with unmatched reliability for those who refuse to settle.

Specifications

ASIN	B00AK9EYOY
Age Range Description	Adult
Apparel Fabric Stretch	No Stretch
Apparel Fabric Weight Class	Lightweight
Best Sellers Rank	11,157 in Fashion ( See Top 100 in Fashion ) 113 in Shoe Laces
Brand	IRONLACE
Colour	Brown
Country Of Origin	USA
Customer Reviews	4.5 4.5 out of 5 stars (18,893)
Fabric Type	Lace
Garment Size Country	Belgium
Global Trade Identification Number	00664303400105
Included Components	1 pair of laces
Item Dimensions	182.9 x 0.3 x 0.3 centimetres
Item Length	72 Inches
Item Type Name	Shoelaces
Item Weight	0.04 Pounds
Manufacturer	Lacetech Industries
Manufacturer part number	30010
Model number	3001
Number of Pieces	2
Product Care Instructions	Standard care
Size	72-Inch
UPC	664303400105
Unit Count	1.0 count
material-type	Synthetic

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139 zł

Duties & taxes included

In stock

Sold byAmazon PolandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Poland.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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