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Information about Terramar Geo Tek 3.0 Base Layer Top - UPF 50+, Heavyweight, Zip Neck, Long Sleeve (For Men)
Closeouts. A heavyweight microfleece top made for cold weather activity, Terramar's Geo Tek 3.0 base layer has high-loft grid channels for breathability and EC2® quick-dry technology.
  • EC2® quick-dry technology wicks moisture away from skin for rapid evaporation
  • Body-Sensors® technology helps manage body temperature for cool, comfortable performance in warm weather
  • Spandex for stretch and improved mobility
  • UPF 50+ sun protection
  • Antimicrobial treatment resists odor
  • Dual-surface knit system with high-loft grid channels for enhanced breathability
  • Sleeve pocket
  • Heavyweight base layer
  • Length: 31" (based on size large)
  • Made in China
  • Visit our Layering Guide
Specs about Terramar Geo Tek 3.0 Base Layer Top - UPF 50+, Heavyweight, Zip Neck, Long Sleeve (For Men)
  • Base layer weight: Heavyweight
  • UPF rating: 50+
  • Long sleeves
  • Zip neck: 9"
  • Zipper is YKK®
  • Length: 31" (based on size large)
  • Fabric: 95% polyester, 5% spandex
  • EC2®, Body-Sensors®
  • Care: Machine wash/dry
  • Made in China
  • Visit our Layering Guide

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Most Helpful 5-Star Review

Reviewed by BillNC from Western North Carolina on Friday, November 29, 2013
This is a great piece of gear and clothing. I wanted something that I could use as a warm layer over a t-shirt, or even a light, long-sleeve. This fits the bill perfectly. I'm a PE teacher and outdoor type and I wanted something similar to a Patagonia R2 pullover; warm, stretchable and non-restri... Read More
4.631578 5 Based on 57 reviews: Overall:
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  • Reviewed by 99mkw from Georgia on Monday, July 13, 2015
    I am planning an alpine trip in New Zealand and was interested in this as a Patagonia R1 alternative for use as a midlayer. I'm 5'8" and 140-145 lb and I originally ordered a medium based on a review by Bill who is roughly the same height and weight. Apparently as a soccer player I must be much scrawnier in the upper body than Bill because I was swimming in the torso of the medium. In retrospect the sleeves were fine and that should have given me pause as I planned my exchange.

    I just received the small size and it's about right in the torso with plenty of room for a baselayer beneath. The sleeves, however, are quite snug. I could wear a light long sleeve base beneath but it was a bit constricting. On me I think it will work better with a short sleeve undershirt. The bigger issue is the sleeve length. I don't have particularly long arms but I really can't make use of the thumb holes because the sleeves are too short. That's not a deal breaker for me, but it might be for you.

    Should be good for the mountains, but I have some reservations about how useful it will be here in the south. If you're active it may need to be pretty cold for this to work as a midlayer. In some ways I like the weight of the terramar women's grid fleece pullover that I got my wife. It seems the a more flexible garment. I will try to post a review after I've had a chance to try it out in cold weather.
  • Verified Buyer Reviewed by Ernie from Vermont on Tuesday, June 16, 2015
    I ordered this garment for winter duck hunting here in Vermont. When it arrived I tried it on and the fit is as I had hoped. The zip neck just right to keep me warm but not too thick as to hamper easy movement when running a boat and putting out decoys. I put away for fall and cold weather use later this year.
    I helped to build my barn last winter and used Terramar base layers in the very cold weather, they really kept me warm but I wanted the single layer neck
    for less bulk when hunting. I'm happy I found this product.

  • Reviewed by Damocles from Wyoming on Tuesday, May 19, 2015
    I own 2 Terramar base layer tops and they are amazing. I can often wear this over a T-shirt and not require anything over them. They are comfortable and warm when you need them to be.
  • Verified Buyer Reviewed by Be Prepaired from Pa. on Monday, April 13, 2015
    These are great for all different seasons.under coats over base layer. 1/4 zipper works great for all colder days
  • Verified Buyer Reviewed by Tom from Morris, IL. on Saturday, April 4, 2015
    I ordered 2 different colors of this shirt with the idea of checking the fit and sending one back if I liked it. These shirts are so nice that I kept them both! a really nice fit in the shoulders and chest and the length is perfect! Took them to Steamboat for some spring skiing and by mid day I was able to shed my shell and enjoy the freedom. Thanks STP! You always have great products for great prices!

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