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Franklin Fleece

A Polartec® Fleece Winter Running Jacket



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Franklin Fleece

  S M L XL
Chest 40" 43" 46" 49"
Length 26 3/4" 27 1/2" 28 1/4" 29"
Sleeve Length 31" 31 1/2" 32" 32 1/2"

From our Customers

Fleece for the Fleet

Pushing your comfort zone in the colder months isn’t easy. Neither is willing yourself out the door into freezing air. That’s why we designed the all-new Franklin Fleece for high output training in cold weather. Extremely soft Polartec® Classic fleece meets zones of nylon-elastane for increased range of motion, so you can drive the pace until the steam comes off your back.

Wicking, 4-way Stretch Polar Fleece
Bluesign And Oeko-Tex Certified
Inverno Side panels For Added Stretch And Breathability
2-Way Zipper
Zippered Hand Pockets

Main Body: Double Velour Polartec® Franklin Fleece - 100% Polyester - 186 gsm
Paneling: Inverno Blend - 80% Polyamide, 20% Elastane

Machine Wash Cold
Air Dry
Do Not Dry Clean
Do Not Use Softeners

Mitchell (center) is 5' 10" and wearing a Medium.

Double Down

On a cold morning, the warmth of a cozy fleece can be all that gets you out the door. But problems arise when the pace quickens and your body heat rises, since traditional fleeces aren’t made for running fast. We designed the Franklin Fleece with these varying conditions and thermal outputs in mind, mixing strategically mapped materials for zoned ventilation and weather protection. The first performance fleece designed specifically for running: take it when you need some of the coziness of home, and keep it on as you negative split your way back.

Franklin Fleece Detail3039

Working Together

On its own, fleece would be too warm for fast running, even in the coldest conditions. So we combined it with breathable side panels that provide enhanced stretch while shaving weight. The result is the first-ever running fleece that delivers exceptional warmth across the core of the torso with flexible, breathable stretch panels where you need mobility and enhanced ventilation at higher speeds. The Franklin Fleece also includes a two-way zipper and two zippered side pockets.

Tracksmith Boston Fw20 Ruben Eric 0219
Eric is 5'10 and wears a size Small.

Andover Innovation

In 1981, Massachusetts-based Polartec® first engineered polyester fibers into an innovative knit construction with a lofted fiber structure that created thermal air pockets to prevent heat loss and regulate core warmth. Their invention, known as polar fleece, transformed the industry and was the most durable and versatile insulation and outerwear fabric of its day. Continuously refined over forty years, this Okeo-Tex and Bluesign-certified fleece remains a cold-weather performance stalwart for its lightweight warmth and fast-drying characteristics. 

Tracksmith Boston Fw20 Ruben Eric 1070

“This fleece has been my go-to cozy layer after crisp fall runs. It’s warm and soft without being bulky—exactly what I want to put on when I come in the door. It’s designed to be breathable and flexible enough to run in, though, thanks to stretchy panels on the sides and under the arms. I usually err on the side of fewer layers while running in the cold, but I’m looking forward to testing it out once it gets frigid.”
— Outside Magazine

Tracksmith Boston Fw20 Ruben Eric 0984

Franklin Fleece