Leatt MTB ThermaFlow 5.0 Men's Cycling Vest

Description

ThermaFlow 5.0 MTB Vest – Thermal Body Protection with Active Breathability

MTB ThermaFlow 5.0 Vest is a technical vest designed for cyclists who don't slow down, even when the temperature drops. the perfect solution for intense riding on cold, dry days, when a full jacket is too much and a base layer isn't enough. It combines windproof and waterproof protection with active breathability, focusing on keeping the torso warm, while preventing overheating.

Built of double-woven fabric, the vest combines graphene fleece layer on the inside with completely windproof and waterproof exteriorwhile maintaining maximum air permeability thanks to lack of laminateThis is a vest that will work well both as standalone layer, as and as midlayer under a shell jacket.

Thermal protection with GRAPHENE technology

The heart of the ThermaFlow 5.0 vest is ultralight knit fabric with graphene – a fiber with exceptional thermal conductivity, strength, and low weight. Thanks to this, the vest effectively retains heat in key areas of the body, without the need for thick layers of insulation.

The inner fleece layer has been additionally equipped with special ventilation ducts, which help remove excess heat and moisture – which is extremely important when riding with a high heart rate, e.g. on climbs or during intense intervals.

Fit, freedom of movement and durability

The vest is made of four-way stretch, which provides complete freedom of movement both on the trail and while riding in a cycling position. Regular fit fits most body shapes, and waist adjustment allows the circumference to be adjusted to the layers underneath.

Even though it clothing sleeveless, used here Deflextion reinforcements on the edges of the armholes – these are additional reinforcements that increase the durability of the material in places most exposed to contact with the backpack or shoulder movement. All seams have been glued and finished flat (flatlock), which improves wearing comfort and eliminates the risk of irritation.

Functionality and details tailored to professionals

ThermaFlow 5.0 has three pockets with YKK zippers – two side pockets and one chest pocket – allowing for secure storage of a phone, gels, gloves, or documents. The zippers are waterproof and easy to use, even with gloves on.

Additionally, it was used eco-impregnation DWR C0 without PFAS, which effectively protects against moisture and dirt without harming the environment. Reflective prints and pullers increase the cyclist's visibility after dark, which affects safety during winter training and evening rides.

✅ Key features of the ThermaFlow 5.0 MTB Vest:

✅ Graphene fleece lining with ventilation channels – warmth and breathability without compromise
✅ The outer layer is completely windproof and waterproof – protection in cool, dry conditions
✅ No laminate – maximum air flow and natural thermoregulation
✅ 4-way stretch and regular fit – comfort of movement and fit in every riding position
✅ Waist adjustment – precise fit to the body and clothing layers
✅ Deflextion reinforcements around the shoulders – resistance to wear and contact with the backpack
✅ 3 pockets with YKK zippers – safe storage of necessary accessories
✅ Flat seams with taping – no abrasions, greater comfort on long journeys
✅ DWR C0 impregnation without PFAS – ecological protection against dirt and moisture
✅ Reflective prints and zippers – better visibility on the route after dark
✅ bluesign® APPROVED fabric – responsible production and high-quality materials
✅ Available in sizes XS–3XL (3XL only in black)