Assos - Thermobooster Foil - Men's - Black Series - 2026

Assos - Thermobooster Foil - Men's - Black Series

A critical piece for emergency insulation, engineered with a stormproof softshell and ultra-plush lining to protect your core during long descents or inclement weather.

Year-round protection that packs down to stow easily and deploys when windproof, waterproof core protection is critical Ð an update to the newspapers cyclists have been stuffing down their jerseys for alpine descents for generations.

A new softshell, HYPERPLUSH, lives up to its name with a waterproof, windproof shield supported by a soft lining. Wear the ThermoBooster Foil beneath your bib straps to anchor it in place, and descend in total comfort.

FEATURED FABRICS

HYPERPLUSH is a new 3L softshell, which combines breathability with a complete stormproof barrier and our softest lining.

CONSTRUCTION/FIT

Engineered for use with any layering system, from the racingFit RS line to the endurance-tuned GT series.
 

About ASSOS:

ASSOS of Switzerland’s mission is to provide innovative, technically outstanding cycling apparel with meticulous, lean design.

Since creating the first ever Lycra® cycling shorts in 1976, the company has developed a number of innovations that have pointed the way for the evolution of cycling wear – most of its innovations are now industry standards. Today, ASSOS proudly provides its Total Cycling Comfort to riders in more than 30 countries.

MyTriathlon is proud to have been chosen to stock the prestigious ASSOS range of clothing and accessories. If you have any sizing or specific product queries, call us on 0207 183 4116, or get in touch via WebChat.