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The Discovery

Bison Sport Jacket

Introducing our most active, versatile jacket yet, insulated with a specialized blend of bison fiber and recycled polyester (we call it B100™ Fill) that’s naturally moisture wicking, temperature regulating, and antimicrobial. We worked with ranchers to sustainably source the bison’s hollow outer guard hairs — an underutilized and often discarded fiber — and transform them into a high-loft insulation that packs in serious warmth.

The result:
An American-made jacket that mimics the bison’s innate ability to survive harsh winters.

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Men's Bison Sport Jacket

Men's Bison Sport Jacket

Free Exchanges + Easy Returns
Our Mission

For every product sold, United By Blue removes one pound of trash from our world's oceans and waterways.

We created this company because we wanted to make a bigger, more measurable impact on our oceans and encourage people to do the same. So we stopped simply writing checks and started organizing and hosting these cleanups. We wanted to do our part to clean the waterways ourselves.

That’s also why we take the care to create products that use responsible materials (like recycled polyester, which reuses plastic bottles so they won’t wind up in gyres). If you’d like to help, we’d love to see you at our next cleanup.

SIGN UP FOR A CLEANUP

Color
Black
Blue
Size
Size
Qty

Size Guide

FIND YOUR FIT: TOPS

Men's Measuring Guide


S
M
L
XL
CHEST
36-38"
39-41"
42-43"
44-46"
SLEEVE
35"
36"
37"
38"

Sizing is in inches (US).
Measurements above are body measurements, not dimensions of the garment.

QUESTIONS?
Call Customer Service at 866.931.1143 or email blue@unitedbyblue.com.

holiday delivery

Details +

Our most active jacket yet, insulated with a specialized blend of sustainably sourced bison fiber and recycled polyester (we call it B100™ Fill) that’s naturally moisture wicking, temperature regulating, and antimicrobial. Recommended for hitting the slopes, navigating city streets, and really anywhere that the temperature dips between 0-40°.

Tech Features +


- Insulated with 190 gsm B100™ Fill insulation. Blend of responsibly sourced bison fiber and recycled polyester. Moisture-wicking, temperature-regulating, and antimicrobial.
- Waterproof, breathable shell crafted from 2-ply, high count taslan nylon with taped seams and a waterproof zipper
- Removable, adjustable hood with an anchored drawcord. Attached with concealed snaps for a seamless look.
- Waterproof zipper that’s durable, corrosion resistant, and exposed so it won’t snag. Backed by an interior storm flap.
- Anchored drawcord at hem to adjust fit, with a no-moving-part cord lock to withstand wear and tear
- Articulated, adjustable sleeves with anchored drawcords and a 2x2 ribbed knit storm cuff
- Stash pockets for lift tickets or subway passes, including a designated sleeve pocket and hem loop
- 2 chest pockets and 2 side pockets. Microfiber cloth stowed in left chest pocket and fixed to bungee cord.
- 2 interior pockets, including phone pocket with media slit to pass headphone cords through

Care + Content +

- 100% nylon, waterproof shell

- B100™ Fill 190 GSM insulation
- Jacket produced in USA
- B100™ Fill insulation is sourced, developed, and made entirely in North America
- Dry clean if necessary

Fit +

Fits true to size with an anchored drawcord at the hem to customize fit. No bulk. Room for layers underneath.

About the Discovery +

As purveyors of responsible, durable goods, we take pride in the materials and intent that go into all of our products. Our Discovery products go a step further: We’re giving you a peek inside the process as the product is made. Investing in a Discovery product supports our efforts to responsibly source textiles and develop our own supply chains — and makes you an integral part of the United By Blue story.

Learn more about Discovery →

Lifetime Guarantee +

At United By Blue we pride ourselves on making responsible, durable goods. Our lifetime guarantee covers all production defects discovered through everyday use. If any bison-insulated United By Blue jacket fails in its intended use (during its determined lifetime) we will repair it for you in accordance with our policies.

Our guarantee applies to all bison-insulated United By Blue jackets purchased by authorized retailers with a valid proof of purchase. Please note every item is subject to an evaluation by our Returns Team.

Learn more about our Lifetime Guarantee →

Men's Bison Sport Jacket has a rating of stars based on reviews.

Highlights

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Tech

Crafted from waterproof, 2-ply, high count taslan nylon with taped seams and a waterproof, YKK® AquaGuard® zipper. Interior storm flap to protect from wind, rain, and snow.

Bison Fiber Insulation

About

B100™ Fill

The fiber that makes up the American bison’s thick coat includes hollow outer guard hairs that are lightweight, compactable, and resilient — the very reason the bison population has withstood countless harsh winters. We harnessed the fiber’s natural capacity for warmth to craft a high-loft, antimicrobial insulation that regulates temperature, wicks away moisture, and mimics the bison’s ability to thrive in the cold.

Despite bison fiber’s impressive insulation benefits, it’s an underused and often discarded byproduct of the ranching industry. Our proprietary  B100™ Fill is our attempt to change that. We’ve created our own supply chain to source, sort, and clean bison fiber, which we then blend with recycled polyester to create a lab-tested insulation with lightweight baffles to trap in warmth.

About the Jacket

We asked Bison Sport Jacket designer Brendan Rauth to walk us through his favorite features.

Removable, Adjustable Hood

With an anchored drawcord to block out the cold. Attached with concealed snaps, so your collar looks seamless without it.

Waterproof, Breathable Shell

Crafted from 2-ply, high count taslan nylon with taped seams and a waterproof zipper. Safe to wear in the rain but breathable to boot.

Stash Pockets

Keep your lift ticket (or subway pass) handy with both a designated sleeve pocket and hem loop.

Waterproof Zipper

The YKK® AquaGuard® zipper is durable, corrosion resistant, and exposed so it won’t snag. Backed by an interior storm flap to keep the elements at bay.

Anchored Drawcords

Designed to stay in place and never break, thanks to a no-moving-part cord lock that withstands wear and tear. Located in the hood and sleeves to trap in warmth and at the men’s hem and women’s waist for fit.

Storm Cuffs at Sleeves

Made to keep out the cold with a 2x2 ribbed knit storm cuff and adjustable tab sleeves to secure gloves and mittens in place.

Easy-Access Microfiber Cloth

Stowed in your left chest pocket and fixed to a bun­gee cord, so you’ll never lose it. Perfect for wiping snow off your sunglasses, camera lens, or phone.

Streamlined Fit

Including an additional side panel and articulated sleeves. Anchored drawcords at the men’s hem and the women’s waist allow for a custom, fitted silhouette.

B100™ Fill Insulation

A specialized blend of sustainably sourced bison fiber and recycled polyester that boasts antimicrobial, temperature-regulating, and moisture-wicking properties. Crafted using the bison’s longer, hollow guard hairs, which are lightweight and naturally protect from the elements.

Our bison fiber supply chain

Our Production Manager, Bastianna Mene, is known around the office as "Bison Basti" thanks to her breadth of knowledge on all things bison. We asked her to trace each step of our bison fiber supply chain.

Shop the bison collection

Our bison fiber supply chain also yields soft, insulating down, which we use to craft winter wear that’s naturally warm, moisture wicking, and antimicrobial.

For an added $100, we’ll throw in a USA-made Bison Beanie and USA-made Leather Palm Bison Gloves, both crafted from Merino wool and bison down, with your Bison Sport Jacket purchase.

FAQs

Where do you find the bison, and how is the bison fiber sourced?
We have great partnerships with bison ranchers in North America, and we source our fiber through these relationships. The bison fiber we used to create the Bison Sport Jacket was sourced and scoured (cleaned) in Canada.
Are any bison harmed?
No, we do not harm any bison through our fiber supply chain. The fiber we use is a byproduct of the bison livestock industry and solely sourced from bison raised for meat. Bison ranchers typically pass hides on to leather tanneries, and tanneries remove and often throw away bison fiber before processing. We add a step to this existing process to save the fiber from winding up in the trash. Our intent with the bison program is to reduce the overall amount of waste and to find an alternate use for this resilient, natural fiber.
Are bison endangered or threatened?
No, the bison population is neither endangered nor threatened. In fact, the bison is one of the greatest conservation success stories of our time. While American bison populations once peaked at around 60 million, threats to their species — including disease, hunting, and habitat changes brought on by European settlers — nearly drove bison to extinction. After a concerted effort from legislators, conservationists, and ranchers, inspired in part by the founding of the American Bison Society in 1905 (with Teddy Roosevelt serving as its honorary president), the bison population rebounded. Over 500,000 bison are now spread out across all 50 states, and the species is no longer endangered or threatened.
Why are you only making 1000 jackets?
This is our first production run of our Bison Sport Jacket, and we wanted to make sure our first run would be ready for Christmas delivery. While a limited quantity, 1000 is the maximum amount we could make while still hitting that holiday deadline. This first production run will also be the only Bison Sport Jackets priced at $398.
What does “holiday delivery” mean?
We’ll start shipping jackets in November and guarantee that your Bison Sport Jacket will be in your hands in time for Christmas.
What does the lifetime guarantee cover?
At United By Blue, we pride ourselves on making responsible, durable goods. Our lifetime guarantee covers all production defects discovered through everyday use. If any bison-insulated United By Blue jacket fails in its intended use (during its determined lifetime) we will repair it for you in accordance with our policies.

Our guarantee applies to all bison-insulated United By Blue jackets purchased by authorized retailers with a valid proof of purchase. Please note every item is subject to an evaluation by our Returns Team.

learn more about our lifetime guarantee

About The Discovery

As purveyors of responsible, durable goods, we take pride in the materials and intent that go into all of our products. Our Discovery products go a step further: We’re giving you a peek inside the process as the product is made. Investing in a Discovery product supports our efforts to responsibly source textiles and develop our own supply chains — and makes you an integral part of the United By Blue story.

About United by Blue

We founded United By Blue out of a need to preserve where we play. For every product sold, we remove one pound of trash from the oceans and waterways through company‐organized cleanups. Our clothing and accessories are thoughtfully made with organic and recycled materials and designed to last for years of outdoor and everyday use.

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