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Men’s Baselayer Midweight II Long Sleeve Top


Style# 1560661
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Size & Fit Guide | Reviewers rated this product True to Size | Fit Active


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Style# 1560661


Zoned thermal-reflective technology at front and back torso and breathable, sweat-wicking side inserts give you what you need, where you need it, while a versatile midweight fabric lets you wear this comfy long sleeve baselayer top in a wide variety of conditions and situations. Flat-lock seams slide smoothly over your skin and underarm gussets deliver great mobility.

  • Omni-Heat™ thermal reflective
  • Omni-Wick™
  • Active Fit
  • Antimicrobial treatment protects this product from bacteria growth
  • Ergonomic seaming
  • Center back length: 28"
  • Imported

  • Shell: 100% polyester Omni-Heat Reflective™ interlock
  • Side panels: 100% polyester interlock
Omni-Heat™ Reflective
Thermal Reflective Warmth
High-Performance Wicking Fabric

Technology Videos

Play youtube video about Omni-Heat Reflective (tm)
Omni-Heat™ Reflective
Magic in a littlesilver dot.
Breathable material with little silver dots that reflect body heat.
Play youtube video about Omni-Wick (tm)
Pulls moisture away from the body so sweat can evaporate quickly.


Men’s Baselayer Midweight II Long Sleeve Top 4.4 5 9 9
good good things, but a little long. May 9, 2015
Bets baselayer! perfect fit, perfect to shelter and be comfortable! May 5, 2015
light weight warmth This product does exactly as promised. The harder I work the warmer I stay. Light weight and thin I could barley tell I had it on. It added no bulk just warmth. Easy to move around in. February 16, 2015
Nice base layer This base layer seems to be well made and comfortable. I weigh 180 lbs and am 6'1" and this shirt is not particularly form fitting. If you are looking for something with a closer fit I would get the next size down. January 21, 2015
Elk Hunting Perfection This product lives up to the hype. I wore it bow hunting in New Mexico, hunting and hiking every day at 10,000 feet and Omni Heat kept me dry and warm. The best product I have ever used. Thank you Columbia! January 4, 2015
Not true to size The fit was good until it came to the sleeves they are more than three inches too long. Not what you need for an under garment January 2, 2015
Nice Product This is a great base layer top. I bought both the pants and top and i am very pleased with them both. I was very happy to find that the reflective material wasn't irritating in the least on the skin and the outside fabric is almost a silk feeling. I wore these hunting in 10 degree weather with crazy winds and was very impressed on how warm they kept me. I can not compare to other relatively priced base layers but i am truly satisfied. I am 5'8' 145 and i bought a small, fits great. Only Thing i wish for on this is the thumb loops but that is me just being picky. November 18, 2014
This product has great features and long lasting. Pros: I thought the workmanship and product quality is excellent. I've used this same product for over two years. It has kept me very warm and comfortable during my workout sessions and running outdoors from Germany to Japan to USA. Cons: It runs a little small, so I had to go up a whole size. November 2, 2014
The Warm Giver I bought this product to help me stay warm on the cold winter mornings while out fishing or working. This baselayer helps reflect my body heat right back at me, and keeps me from freezing my butt off. It can also be used to keep the sun off of you on warm days. I wear it all the time. My only complaint is that the neck is a little tight, and the material can irritate those with beards October 23, 2014
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Size & Fit Guide

Size Chart

Size & Fit Guide
Men's Fit Guide
Body contouring fit conforms to movement.
Body skimming fit with end-use mobility in mind.
Modern Classic
Universal, easy fit for comfortable range of motion.
Modern Classic
Most generous fit for a full spectrum of movement.
Men's Body Measurement (Inches)
Pant Size
Neck 14-14.5 15-15.5 16-16.5 17-17.5 18-18.5 19-19.5
Chest 32-35 35-38 38-41 42-45 46-49 50-53
Sleeve Length 32 33 34 35 36 37
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
Inseam Varies by Item
Pant Size
Neck 17-17.5 18-18.5 19-19.5
Chest 42-45 46-49 50-53
Sleeve Length 35 36 37
Waist 36-39 40-43 44-47
Hips 41-43 44-46 48-50
Inseam Varies by Item
How to Measure
  • 1. Neck: Measure at the base or thickest part of your neck.
  • 2. 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.
  • 3. Waist: Measure around the natural waistline, allowing the tape measure to sit comfortably.
  • 4. 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.
  • 5. Inseam: Measure from the top of the interior leg to the bottom of the ankle.
  • 6. Hips: Measure around the fullest part of your hips.

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
UPS Ground $6.00 3-7 Business Days
UPS 2-Day Air $12.00 2-3 Business Days
UPS Overnight $19.00 1-2 Business Days
Free Standard Shipping
Return Policy

Returns are accepted within 30 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