Twenty One

Aero Leg Warmers

Aero Leg Warmers

Regular price $88.00
Regular price Sale price $88.00
Color: Black
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Free & Easy Returns

With Twenty One's Aero Leg Warmers, say goodbye to the nip in the air and ride on in comfort. These warmers are all about keeping you moving smoothly and staying warm without the bulk. Zip them on easily without dismounting, thanks to the handy ankle zippers. Their dual-grip design ensures they stay snug over your legs and shorts—no slipping, no fuss. They're built to offer just the right amount of compression and warmth while keeping things breathable, especially with the added mesh behind the knees for that extra bit of air and comfort. Take on the fresh mornings or cool evenings with these sleek leg warmers that support your every pedal without holding you back.

  • Moderate thermal insulation
  • Optimal range of motion
  • Superior breathability
  • Elastic mesh panels for comfort and ventilation
  • Lightly compressive
  • Zipper at ankle for a secure fit
  • Double grip system for secure attachment to bibs
  • Suitable for chilly autumn and mild winter cycling
Size & Fit

  • Size should correlate with your bib size
  • If you have a very slim or muscular frame please consider sizing up or down as needed

    Size Guide

Material & Care

  • Machine wash cold
  • Use gentle detergent
  • Do not use fabric softener
  • Dry garment inside out in shade
  • Imported

Brand Info
Barcelona-based cycling brand, Twenty One, designs high-performing and functional kits, produced with local materials of the highest quality and made for exceptional comfort and ease. The brand’s signature year-round bibs, jerseys, and outer-layers are highly versatile and are tailored for a wide range of rides — from your local city commute to the most demanding training sessions. Their practical lineup guarantees complete freedom of movement, allowing you to move with speed and power while maintaining impeccable style.
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Free U.S. shipping

We offer free express shipping on all U.S. orders. Orders are shipped via all major carriers (UPS, DHL, FedEx, USPS) and should arrive within 3 to 5 business days.

Processing time

Most orders are shipped within 1-2 business day. Processing time is in addition to transit/delivery time. Once your order ships you will receive a confirmation email with your shipment and tracking details.


If you order multiple items, you may get multiple deliveries. We’ll send you a shipping confirmation email for each shipment along with shipping notifications throughout transit so you’ll know exactly what to expect and when to expect it.

P.O. Boxes and APO/FPO

At this time we do not ship to P.O. Boxes or APO/FPO addresses.

International shipping

At this time, we are not able to ship to countries outside the U.S.

Possible delays

We do our best to ensure the timely delivery of all orders. Please keep in mind that we are only provided with an estimated delivery date from our carriers and cannot guarantee delivery estimates.


Free 30-day returns on all U.S. orders

If you are not completely satisfied with your purchase or you simply wish to return it, you have 30-days from the day your order was delivered to send it back to us. Returns are complementary and hassle-free. All products must be returned in a new and unused state, in perfect condition, and with all original tags attached.


To make an exchange, visit our portal and enter your order number and shipping zip code. From there, select the item(s) you would like to exchange. If you would like to exchange for a completely different item, please reach out to us.

How to make a return?
  • Click here to start your return or simply log in to your account
  • Enter your order number, email or zip for identification and click “Get Started”
  • Select the items you want to return from your order and select the return reason
  • Select your return credit option: Refund or Store Credit and click “Complete”
  • Download our pre-paid Return Label and attach it to your package (remove or cover any previous shipping labels to avoid shipping delays)
  • Drop off your return at any USPS location. Make sure to keep your receipt
Final-Sale items

Items marked "Final Sale" cannot be returned once purchased.

Refund processing

Returns are processed within 3-5 business days after they arrive at our warehouse. Refunds will be credited to the original form of payment, and a confirmation email will be sent to you once it has been issued. It may take up to 7 additional days for the funds to show in your account.

Late or refused returns

Your item(s) should be sent back to us within 30 days of receiving you order. Returns outside this timeframe may be accepted at our discretion and may only be refunded as a store credit. We reserve the right not to accept returns if the product shows signs of wear or has been used or altered from its original condition in any way.


All shoes should be tried on a carpeted surface and returned in a new, unused condition with the original tags, shoe box, and packaging. Cleats should not be installed on cycling shoes. Returns without a shoe box, in a damaged shoe box, or with scratched soles will not be accepted and will be sent back.

Twenty One

Aero Leg Warmers

  • Size should correlate with your bib size
  • If you have a very slim or muscular frame please consider sizing up or down as needed