Take an Additional 20% off during the Seasonal Confusion Sale

March2026
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Under Armour Base 4.0 1/4 Zip Baselayer - Men's

geartrade  |  SKU: ISABEL1192
$4950 55% Off

Original price

$11000

Shipping calculated at checkout.
Condition
Excellent  NEW
Never used. Shows no signs of wear. New items may have the original tags or come in their original packaging.

EXCELLENT
This gear should be like new with very minimal use and wear.

GOOD
This gear is still in good shape. There’s some wear and tear, but has plenty of life left in it. Signs of wear may include pilling, snags, lint, animal hair, dried dirt, and minor but noticeable staining, etc.

FAIR
This gear is still usable and is in OK shape, but shows noticeable signs of wear and tear. Fair condition products likely have cosmetic blemishes throughout such as pilling, lint, animal hair, and dried dirt. Physical damages such as holes, tears, loose stitching, and staining are often found on Fair items. Fair items are valued for function over form.

Free Shipping on Orders $100+*

Free Shipping on Orders $100+

  • Offer valid on products purchased from the sellers Geartrade or Backcountry
  • Not valid on orders shipped to Alaska and Hawaii
  • Not valid on products in the following categories: complete bikes, bike frames, bike wheels, travel cases, kayaks, inflatables, pontoons, SUP's, surfboards,wakeboards, crash pads, windsurf boards, cargo boxes, car racks, skis, snowboards, tents, backpacks and coolers

FAQ's

Are the product photos of the actual items?

  • Yes! Geartrade does not use stock photos on their used gear. What you see, is what you get.
  • Some items in new condition may have stock photos.

Why should I buy used gear?

  • Good gear is built to last, you can save a lot of money and it's great for the planet.

I want to sell gear - what do you accept?

What is your return policy?

  • We offer a generous no-questions-asked 14 day return policy for eligible items. Final sale items are not eligible for return. You have up to 14 days to initiate a return after your order has been delivered. The item needs to be in the same condition we sent it to you (keep those tags on). Our full return policy can be found here: Return Policy

How fast do you ship?

  • Most orders placed before 1pm MST are shipped out that day. We ship Monday-Friday.
Why Geartrade?
  • Items are Hand-inspected by Gear Experts
  • Steep Discounts on Premium Outdoor Brands
  • Over 3 million pounds of gear diverted from landfills since 1999

When the alpine air bites deep and every upward step generates heat, the Under Armour Base 4.0 1/4 Zip Baselayer becomes your essential partner, engineered to thrive in the most demanding cold-weather pursuits. This is Under Armour’s pinnacle warmth system, featuring a unique grid-patterned fabric that strategically traps heat close to the skin without adding bulk, ensuring critical thermal retention whether pushing through frosty dawn patrols or navigating exposed ridges. A versatile 1/4 zip allows for quick ventilation adjustments when exertion levels fluctuate, making this a smart choice for serious winter expeditions where performance and comfort are non-negotiable. 
 
PRODUCT CONDITION
 
This UnNew Under Armour Base 4.0 1/4 Zip Baselayer - Men's is in Excellent condition. 
 
Products in Excellent condition have seen minimal use and wear. Any imperfections are purely cosmetic and do not affect the intended performance of the product.   

TECH SPECS

  • 93% Polyester/7% Elastane
  • Fitted
  • 1/4 zip front closure
  • Scent control technology
  • Moisture wicking and quick-drying
  • 4-way stretch
  • Great for cold weather layering
  • Thumb loops at cuffs
  • Soft brushed inner lining
  • Delivers warmth in extreme cold conditions

Not everything needs to be new. Earth matters too.

Wear it Out ™

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