When I lived in Brooklyn, I was constantly at war with my winter outfits, putting layers on, getting hot, removing them, ...

Endura’s MT500 fleece is a new hooded mountain biking jacket designed to offer ‘incredible temperature regulation’. It uses ...

Some models are much more breathable than others, however, such as Patagonia’s R1 Air Full-Zip Hoody and Mountain Hardwear’s Polartec Power Grid jacket, as they feature a grid fleece pattern ...

The first big jump came with the introduction of “tech fleeces” like Polartec Powergrid in the 1990s that transformed the fleece from a warm jacket to a breathable “active insulation ...

Our top choice for the best fleece jacket right now is The North Face's Bolt Polartec Power Grid Jacket. It weighs less than 10 ounces yet provides enough insulation to keep you warm under your ...

A lightweight gilet from Castelli that uses the currently popular Polartec Alpha insulation to boost warmth. Castelli pitches the Unlimited Puffy, which is also available in a jacket version ...

Because this new technology is free from micropores, it can’t clog up and lose breathing performance, claims Polartec. The technology isn’t cheap: Le Col’s AW23 Hors Categorie Jacket II ...