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Men’s Midweight Stretch Baselayer Long Sleeve Shirt


https://www.columbia.com/mens-midweight-stretch-baselayer-long-sleeve-shirt-1638591_S.html 1638591_S
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Style# 1638591
Uses Winter


It’s wicking, warming and ergonomic qualities make it a versatile, year-round, long-sleeve shirt. Wear it as an active fit baselayer in the winter, or as a standalone during workouts and recreation throughout the spring and fall.

  • Omni-Heat™ thermal reflective
  • Omni-Wick™
  • 4-way comfort stretch
  • Antimicrobial treatment protects this product from bacterial growth
  • Ergonomic seaming
  • Flatlocked construction
  • Center Back Length: 29"
  • Imported
  • Uses: Winter
  • Style# 1638591

  • 85% polyester / 15% elastane Omni-Heat™ Reflective Anytime Stretch Jersey
  • 85% polyester / 15% elastane stretch jersey Omni-Wick™ Anytime
High-Performance Wicking Fabric

Technology Videos

Play youtube video about Omni-Wick (tm)
Pulls moisture away from the body so sweat can evaporate quickly.


Men’s Midweight Stretch Baselayer Long Sleeve Shirt is rated 4.7 out of 5 by 6.
Rated 5 out of 5 by from Full value for your money This set fit so nice and you will not fell you have it on. Keeps you nice warm and comfy even in a cold Saskatchewan winter. I love it. (This review was collected as part of a promotion.)
Date published: 2018-03-02
Rated 4 out of 5 by from Warm baselayer I got this baselayer shirt for large size. It feels a little snug but very warm. If I would get the next size it would be too big. The quality feels nice. (This review was collected as part of a promotion.)
Date published: 2018-01-27
Rated 5 out of 5 by from Nice & Warm This is absolutley perfect for wearing under sports clothes in the winter, light enough that it doesn't bother you with bulkiness, but extra warm, highly recommended. (This review was collected as part of a promotion.)
Date published: 2018-01-24
Rated 4 out of 5 by from True to size Keeps me warm under cold weather and higher wind conditions.
Date published: 2017-12-15
Rated 5 out of 5 by from Awesome base layer Very warm, fits perfect, nice color. Would definitely buy again
Date published: 2017-11-11
Rated 5 out of 5 by from Men’s midweight stretch base layer long sleeve This is the second base layer Omni Heat shirt I purchased. I was so impressed with the first and this one is no exception. Very high quality and comfortable as a base layer or by itself. I got it in Hyper Blue , cool color! The shirt performs as described and I would definitely recommend it. Thanks Columbia, for another fine product.
Date published: 2017-10-26
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  • loc_en_US, sid_1638591_S, prod, sort_[SortEntry(order=SUBMISSION_TIME, direction=DESCENDING)]
  • clientName_columbia

Size & Fit Guide

Size Chart

Size & Fit Guide
Men's Body Measurement (Inches)
Neck 14-14.5 15-15.5 16-16.5 17-17.5 18-18.5 19-19.5
Sleeve Length 32 33 34 35 36 37
Chest 32-35 35-38 38-41 42-45 46-49 50-53
Waist 26-29 29-32 32-35 36-39 40-43 44-47
Hips 32-34 35-37 38-40 41-43 44-46 48-50
Neck 17-17.5 18-18.5 19-19.5
Sleeve Length 35 36 37
Chest 42-45 46-49 50-53
Waist 36-39 40-43 44-47
Hips 41-43 44-46 48-50
How to Measure
  • 1. Neck: Measure at the base or thickest part of your neck.
  • 2. Sleeves: Start at the center back of your neck and measure across the shoulder and down to the wrist. Round up to the next even number.
  • 3. Chest/Bust: Measure at the fullest part of the chest, under the armpits and over the shoulder blades, keeping the tape measure firm and level.
  • 4. Waist: Measure around the natural waistline, allowing the tape measure to sit comfortably.
  • 5. Hips: Measure around the fullest part of your hips.
  • 6. Inseam: Measure from the top of the interior leg to the bottom of the ankle.
Men's Fit Guide
Body contouring fit conforms to movement.
Body skimming fit with end-use mobility in mind.
Modern Classic / Regular
Universal, easy fit for comfortable range of motion.
Most generous fit for a full spectrum of movement.

How to Measure

Columbia Fit Guide

How to Measure

  • Fold up at dotted line.
  • Place against a wall or other 90 degree surface.

    Place heel against fold/wall on flat level surface.
  • Mark the end of the longest toe with a pen or pencil.
  • Measure both feet and use the larger measurement.
  • Read measurement and compare to size chart.
  • When comparing on the size chart, determine the closest larger measurement and use that number to determine your shoe size for your country’s shoe measurement standard.

Shipping & Returns

Shipping & Returns

Shipping Information

Shipping Method Rate Expected Delivery Time
Ground $6.00 3-7 Business Days
2-Day Air $12.00 2-3 Business Days
Overnight $19.00 1-2 Business Days
Free Standard Shipping

Return Policy

Returns are accepted within 60 days of the purchase date online or in-store. Your apparel must be in original and unworn condition, with tags still attached. Footwear returns must also include the original box.

Still Have Questions

See our Customer Service section for more details. Visit Customer Service

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