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Stay Warm Where It Counts®
$81.00
Free U.S. Shipping | Free Intl Shipping Orders $75+ USD
Targeted Protection Below the Belt
- •Stops cold where layering can leave a gap
- •Polartec® fleece lining for lightweight warmth
- •Wind-resistant, breathable, moisture-wicking
Try it. Wear it. 60-Day Satisfaction Guarantee.
Made in the U.S.
Cold hits
differently
below the belt
You've felt it.
You're out for a run. Or skiing, hiking, working.
The cold hits.
You push through the pain or cut the day short.
PolarJock® was engineered to solve that.
Layers Have Evolved
Traditional base layer bottoms distribute warmth broadly across your core, hips, legs.
PolarJock® provides targeted insulation and wind protection below the belt to prevent cold-related discomfort in the groin area.
Now get protection exactly where you need it:
- Precision warmth
- Athletic trim fit
- All-day comfort
Why Not Just Add More Layers
Because adding more layers everywhere to fix just one spot:
- Adds unnecessary bulk
- Restricts movement
- Can cause overheating
You have specialized gear for other extremities. PolarJock® is precision gear for your groin area.
Why Polartec Fleece®
Premium high-loft, insulating warmth.
Breathable, moisture-wicking, next-to-skin comfort.
Lightweight. The PolarJock® weighs only 3 ounces / 85 grams.
Trusted in Cold
and Wind
Built for cold-weather endurance sports and outdoor work.
“A key piece of equipment."
Scott H. — Yukon, Canada
"Cuts the wind without having to wear so many layers."
Terry T. — Wisconsin
"Fantastic for long training days in sub-zero temps!"
Larry F. — Minnesota
“Any time I’m working in the cold, and skiing."
Jason J. — Oregon
Bridge the Cold Gap
Good layering can still leave you cold.
Expect More from Layering
Bundle up all you want. The cold still finds its way in. That one spot.
PolarJock® is engineered to fix this.
Wear it alone or with other cold-weather base layers, depending on conditions.
Some Days Wind Briefs Aren't Enough
Guide Included
10-page field guide included with every order.
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Stay
Warm
Where It
Counts®
Product Features
THE BASICS:
- Polartec® fleece lining with high-loft insulation for superior warmth that is also lightweight.
- Each finished product weighs only 3 ounces / 85 grams
- Moisture wicking
- Breathable
- Wind resistant
- Durable, comfortable, no-roll elastic
ALL-DAY COMFORT:
- Warmth without the Weight: No bulky layers, forget it’s even there
- Premium Pouch Design: Room to move, insulation where it matters
- Flexible, All-Stretch Materials: Moves naturally with your body
- No-Roll Waistband: Stays put under layers and during activity
- Athletic Trim Fit: Works under race kits and workwear alike
- No-Bounce Support: Ideal for running, skiing, cycling, and active movement
- Durable Construction: Built for daily use in demanding environments
Sizing
PolarJock sizes are based on your waist size in inches / centimeters:
INCHES
Small — 26-30 inch waist
Medium — 30-34 inch waist
Large — 34-38 inch waist
XL — 38-42 inch waist
CENTIMETERS
Small — 66-76 cm waist
Medium — 76-86 cm waist
Large — 86-96 cm waist
XL — 96-106 cm waist
Materials
Polartec® Fleece Lining
100% premium Polartec® fleece, engineered for lightweight, cold-weather protection. The lofted structures in this fleece create and hold thermal air pockets to provide insulating warmth as well as optimal moisture-wicking and breathability.
Wind-Resistant Outer Layer
The 100% Polyester shell combines wind resistance and breathability to help regulate sweat during strenuous or extended activity.
Waist and Leg Elastic
Durable polyester-rubber blend
Made in the U.S.
Materials are also made and milled in the U.S. or domestically sourced in the U.S.
Sustainability
Materials and Manufacturing in the U.S.
Polartec® Fleece:
100% made in the U.S. and made from recycled polyester.
Other Materials:
Made in the U.S. or domestically sourced in the U.S.
Manufacturing:
We manufacture 100% in the U.S. to support independent regional partners and to minimize transportation of both materials and finished product.
Minimal Labels:
One single product label per product, made from recycled paper.
Sustainable Packaging:
Recyclable, lightweight mailer made from uncoated (natural brown) kraft paper. Padding is also made with macerated (shredded) paper—no plastics. This means the entire package is fully recyclable in a standard, curbside paper recycle bin with other paper products.
Paperless Receipt and Packing Slip:
Your order details and receipt are in your confirmation email. Plus, we're available by email and chat for anything you need.
Zero Cutting-Waste Initiative:
Our minimal product design creates minimal cutting waste of fabric. Any cutting scraps are never discarded. They are saved and repurposed to eliminate becoming landfill waste.
When Will I Receive My Order
We work quickly to ship your order within 24 hours. Once your order has shipped, you will receive an email with further information. Delivery times vary depending on your location.