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Riding in the Heat

Lightweight Jersey Guide

Summer riding isn’t just about temperature, it’s about intensity.

A steady endurance ride in 30°C heat places very different demands on your body compared to a race, interval session, or hard climb in the same conditions. At lower intensities, your body generates less internal heat, so sun exposure and comfort become the bigger priorities. But as effort increases, your body starts producing serious heat from within, making airflow and sweat evaporation critical to performance.

That’s why the best summer jersey isn’t simply the lightest one. It’s the one that matches how hard you ride.

Below, we compare our lightweight jerseys by ride intensity, fit, airflow, and protection to help you choose the right option for your summer riding.

Shop The Lightweight Collection

Pro Air Jersey – Maximum Airflow for Maximum Effort

Our lightest and most breathable jersey, the Pro Air Jersey is built for cyclists who demand peak performance in sweltering conditions. Constructed entirely from ultra-light mesh, it actively channels airflow across the skin while rapidly wicking sweat away, making it the go-to jersey for hot climbs, humid days, or intense summer sessions.

“We worked hard to develop an ultra-lightweight product that still provides high-level functionality and a refined fit,” says Le Col founder Yanto Barker. “It’s called the Pro Air Jersey for a reason. It’s so light you’ll forget you’re wearing it. That’s exactly what you want when riding in the heat: zero distractions.”

Best for: High-tempo efforts in extreme heat

Fit: Race fit / second skin

Fabric: Full mesh construction

Sun Protection: Minimal (pair with sunscreen or a lightweight base layer)

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Studio shot of man wearing a navy and light blue mesh jersey with 'Le Col' branding
Studio shot of woman wearing a white jersey with Le Col in navy down the back.

Pro Lightweight Jersey – Ultra-Light Speed With Extra Coverage

Designed for performance in hot conditions without compromising on coverage, the Pro Lightweight Jersey blends breathability with sun shielding. Micro mesh across the front and arms keeps airflow high, while a denser rear fabric offers UPF 50+ protection where it’s needed most. If you need a slightly more structured jersey than the Pro Air, but still demand speed, this is your jersey.

Best for: Racing or high-intensity training in the sun

Fit: Race fit

Fabric: Micro mesh front and sleeves; UPF 50+ rear panel

Sun Protection: UPF 30+ to 50+ Protection

Shop Mens Shop Womens
Three image collage, cyclists in blue or orchid mesh jerseys and blue or white lightweight jerseys.

Hors Categorie Lightweight Jersey – For Going the Distance

Crafted for long rides and all-day summer efforts, the Hors Categorie Lightweight Jersey is the definition of refined performance. With a slightly less aggressive fit than the Pro range, it focuses on comfort without sacrificing aero efficiency. The fabric is soft, luxurious, and flexible. Ideal for all-day epics or consistent weekly rides where comfort is king.

Best for: Endurance rides, summer sportives, or all-day training

Fit: Relaxed performance fit

Fabric: Premium lightweight fabric with a luxurious feel

Sun Protection:UPF 30+ sun protection, with excellent breathability

Shop Mens Shop Womens
Studio shot of man wearing a white jersey with 'Le Col' in black on the left breast.
Two cyclists riding on a path with a scenic background wearing white or olive jerseys.
Studio shot of woman wearing an olive green jersey and black bibshorts.
Male cyclist riding in white jersey on a road with mountains in the background
Studio shot of man wearing a white jersey and black bibshorts.
Two cyclists riding on a scenic road with mountains in the background wearing an olive or white jersey.
Studio shot of woman wearing an olive green jersey and black bibshorts.
Male cyclist riding in a white jersey with mountains in the background.
Studio shot of man wearing a white jersey and black bibshorts.
Studio shot of woman wearing a mint green jersey with green short sleeves.

Sport Lightweight Jersey – Everyday Comfort and Functionality

Whether it’s your weekend café spin or a midweek tempo ride, the Sport Lightweight Jersey is built to handle the heat while keeping things relaxed. Mesh sleeves improve airflow while the lightweight stretch fabric allows freedom of movement, making it ideal for those who want comfort, performance, and a little more room to move.

Best for: Social rides, everyday training, summer commutes

Fit: Relaxed fit

Fabric: Lightweight stretch with mesh sleeves

Sun Protection: Breathable with good airflow and UPF 30+ sun protection

Shop Mens Shop Womens
Male and female cyclists in the lightweight green/mint jerseys standing with their bikes against a green wall.
Studio shot of woman wearing mint green, lightweight jersey with green sleeves.
Two cyclists in blue jerseys and helmets riding bike in the street.
Studio shot of man wearing the light blue lightweight jersey with navy sleeves.
Male and female cyclists in the lightweight green/mint jerseys standing with their bikes against a green wall.
Studio shot of woman wearing mint green, lightweight jersey with green sleeves.
Two cyclists in blue jerseys riding bicycles down a street.
Studio shot of man wearing the light blue lightweight jersey with navy sleeves.

The importance of pairing a summer base layer

Wearing a base layer in summer might sound counterintuitive. Why add more when you’re already trying to stay cool?

The answer is simple: the right base layer actually helps you stay cooler. A lightweight, technical base layer sits close to the skin and rapidly wicks sweat away before it can saturate your jersey or slow down evaporation. That moisture is then pulled to the outer layers, where it can evaporate more effectively, keeping your core temperature more stable and your skin drier.

A good summer base layer such as the Pro Air Base Layer or Pro Mesh Base Layer works hand in hand with your jersey to regulate body temperature, prevent overheating, and minimise chafing. For riders pushing hard in hot conditions, it’s a smart, often-overlooked upgrade.

Three images, cyclists wearing their jerseys open to show mesh base layers.

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