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Lael Wilcox Cycling Insoles

Lael Wilcox Cycling Insoles

For shoes with thin removable inserts

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Regular price $ 69.00
Regular price $ 115.00 Sale price $ 69.00
Sale Sold out
Fitting Guide
Size Men's
Arch Height

The power of carbon fiber - for your feet.

Carbon fiber insoles endorsed and worn by ultra-cyclist Lael Wilcox. For performance cyclists getting ultra firm arch support is non-negotiable. A wafer 1.25mm thin, these 100% carbon fiber arch supports are a game changer when it comes to improving biomechanics, delivering superior energy return, boosting performance, and minimizing injury risk. Finished off with a 3mm thin, ventilated full length top cover, Lael Wilcox Cycling Insoles fit perfectly in virtually all cycling shoes.

NOTICE: The thin, firm nature of carbon fiber may damage the lining in some footwear.

Million Mile Guarantee

Tread Labs molded arch supports are unconditionally guaranteed. Forever.

If they ever crack or lose their shape, we’ll send you a new pair, no questions asked. From your first mile to your millionth, your satisfaction is our priority.


Before adding Lael Wilcox Cycling Insoles to your shoes, remove the factory inserts. While adjusting to your insoles, you may feel firm support along your arch, but after a week or so, you’ll probably forget you’re wearing them. Give yourself time to get used to the additional support. You’ll be glad you did.


We offer free shipping within the US. Transit time is 4-5 business days.

Shipping to Canada is $10 with a transit time of 5-7 business days.

International shipping costs $25 for 1-2 pairs and $40 for 3-5 pairs. All duties, taxes and fees are paid by the customer.

We ship Monday-Friday, excluding holidays.

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  • One size does not fit all.

    Pant's aren't one size fits all. Insoles shouldn't be either. Lael Wilcox cycling insoles come in four arch height – low, medium, high, and extra high – so you can get the perfect fit for your feet.

  • Like new, on demand.

    Tread Labs insoles are made with a 2-part system: a molded arch support and a replaceable top cover. Easily replace the top cover to make your insoles like new again.

  • Fresher feet with every step.

    Lael Wilcox cycling top covers are resilient, long-lasting, open-cell polyurethane foam topped with 100% recycled polyester fabric that's PURE antimicrobial treated to keep feet feeling fresh all day.

Lael Wilcox - Born To Ride

Lael Wilcox is an ultra-distance cyclist. Born in Anchorage, Alaska in 1987 she won the 2016 Trans Am Bike Race on her first attempt, becoming the first American winner, male or female. Measuring 4,400 miles the Trans Am is the premier self-supported bike race across the continental United States. The previous year, in 2015, Lael set the women’s record for the Tour Divide, a bike race from Banff, Canada to the Mexican border with a total race distance of 2,745 miles. These feats as well as those that followed led Bicycling Magazine in 2019 to describe Lael Wilcox as the ‘fastest ultra-endurance racer in the world.’

Tread Labs Supports Anchorage GRIT

Lael Wilcox co-founded GRIT, which stands for Girls Ride Into Tomorrow, in early 2017. GRIT is a mentorship program that seeks to empower girls through bikes, inspiring them to ride for transportation, travel, and fun. Tread Labs supports Lael and this project by donating $10 per pair sold.

Cycle Longer With Tread Labs

Bikepacking is the ultimate endurance challenge on a bike, combining multi-terrain biking with self-supported backpacking. It is about the spirit of adventure and freedom, traveling on roads, dirt roads, trails and singletracks. Having the necessary supplies and equipment is key. Wearing Tread Labs insoles will permit you to ride for longer, stronger. Lael Wilcox chooses to ride with Tread Labs insoles.

2-Part Insole System