Assos Thermobooster Foil

Meet the Assos ThermoBooster Foil — a cutting-edge thermal layer built to deliver lightweight warmth, breathability, and layering versatility from crisp spring mornings through deep winter.

Engineered with a highly elastic warp knit textile known as “Skuba,” the ThermoBooster wraps the body in an aerodynamic, second-skin fit while offering effective insulation and moisture management. It zips fully open but also packs down to pocket size, making it ideal as a standalone thermal top on cool rides or as a midlayer under outerwear in cold weather.

Specs at a Glance

• Material composition: ~84 % polyamide / 16 % elastane
• Fit style: AEPD 11 racingFit — close, low-volume, contoured layering geometry
• Insulation tech: Brushed inner face for low-volume loft and thermal trapping
• Pockets: Twin rear mesh pockets—useful when worn as outer layer in cooler temps
• Edge finishes: Raw-cut sleeves and hem for seamless stacking with jackets and gloves
• Range of use: Spring/fall outer layer or winter midlayer in 3-layer systems

Design Benefits

1. Light but warm: Skuba knit balances insulation with breathability so heat builds without overheating during intensity.
2. Layering flexibility: Packs down small and works over summer jerseys or beneath jackets depending on weather demands.
3. Streamlined integration: Racing fit and raw-cut edges keep it sleek under shells and jackets with minimal bulk.
4. Functional storage: Rear mesh pockets let it double as a thermal jersey when temps allow.
5. All-season utility: Designed to span seasonal transitions—from cool spring mornings to deep winter layering.

Final Take

The Assos ThermoBooster Foil is a versatile, high-performance thermal layer that adapts to riding across seasons. Whether used as a standalone insulated top or as part of a 3-layer winter kit, it delivers smart warmth, excellent breathability, and minimalist design for demanding cyclists.