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Information about Terramar Geo Tek 3.0 Base Layer Top - UPF 50+, Heavyweight, Long Sleeve (For Men)
Closeouts. Whether you're extreme geocaching or geo trekking, if there's cold weather involved, Terramar's Geo Tek 3.0 base layer top is your first layer of protection. Heavyweight microfleece with high-loft grid channels traps vital warmth, while maintaining excess moisture and breathability.
  • 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
  • Flatlock seams reduce chafing and provide a low-profile fit
  • Base layer weight: Heavyweight
  • Length: 29" (based on size large)
  • Made in China
  • Visit our Layering Guide
Specs about Terramar Geo Tek 3.0 Base Layer Top - UPF 50+, Heavyweight, Long Sleeve (For Men)
  • Base layer weight: Heavyweight
  • UPF rating: 50+
  • Long sleeves
  • Length: 29" (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 Allison from Missoula, Montana on Tuesday, November 5, 2013
I bought two of these for my husband, who does lots of biking, hiking, running, and skiing, and he loves them. The heavier weight is great for chilly Montana temperatures without being bulky, and the soft interior is a nice touch, too. He's 6'1", 200 lbs, and the L is perfect--form fitting but with... Read More
4.753846 5 Based on 65 reviews: Overall:
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  • Verified Buyer Reviewed by MB from PA on Monday, June 29, 2015
    I had ordered 5 of these this past winter for work. After wearing them everyday, I didn't have enough for that overtime shift, so I had to order another. When you are limited on what you can wear on the outside (a uniform), I wanted a good base shirt. These are the best I have used so far.
  • Verified Buyer Reviewed by Mike from Indiana on Monday, March 23, 2015
    I'm a big-time Terramar fan having purchased many of their base layer products from light to heavy weight. Although the Geo Tek 3.0 is listed as heavyweight, I purchased it more as a mid-weight shirt. I'd say it kind of falls in between a mid and heavy weight base layer, which gives it a lot of flexibility. Like other Terramar products the fit and finish are top notch. I'm 5' 10" & 160lbs and the medium fit me great. I bought this shirt in blue, which is a nice change from the standard black or drab olive.
  • Verified Buyer Reviewed by Tyler mae from florida on Wednesday, March 11, 2015
    I ordered more in every color
  • Verified Buyer Reviewed by Steve from Cincinnati on Wednesday, March 4, 2015
    I've purchased Terramar products before on STP and they've been excellent values. These latest products, the heavyweight base layers, are of the same mold…wonderful fit, true to size, nice feel on the material, and very warm. It feels so comfy when you put it on! I can't speak to its durability, but my other Terramar products have held up just fine. And of course, you can't beat the STP price. If you're looking for an excellent value in a heavier weight base layer, look no further.
  • Verified Buyer Reviewed by JaNmommie from Hendersonville, NC on Friday, February 27, 2015
    My husband loves this shirt. The material is great for hiking, not to heavy yet warm enough.

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