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Women’s Heavyweight II Baselayer Long Sleeve Half Zip Shirt


https://www.columbiasportswear.ca/default/womens-heavyweight-ii-baselayer-long-sleeve-half-zip-shirt-1638961.html 1638961
$ 84.99 CAD


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Style# 1638961
Uses Winter


Now with thumbholes, this performance fit baselayer wicks sweat and is built for warmth and mobility with a blend of stretchy, heat-retaining thermal reflectors and ergonomic seaming. Dressing in layers is key when it comes to adapting to the changing conditions.

  • 4-way comfort stretch
  • Omni-Heat™ thermal reflective
  • Omni-Wick™
  • Performance Fit
  • Thumb holes
  • Antimicrobial treatment protects this product from bacterial growth
  • Ergonomic seaming
  • Flatlocked construction
  • Uses: Winter
  • Style# 1638961

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

Technology Videos

Pulls moisture away from the body so sweat can evaporate quickly.


Women’s Heavyweight II Baselayer Long Sleeve Half Zip Shirt is rated 4.1 out of 5 by 16.
Rated 5 out of 5 by from Fits well I haven’t had a chance to really test the warmth, although when I was trying this on in my apartment I did get pretty toasty. I bought a medium, I am 5’9”, 34 DD, 150 pounds and it fit perfectly. [This review was collected as part of a promotion.]
Date published: 2017-10-27
Rated 5 out of 5 by from so great the best base layer keeps you toasty!!!
Date published: 2017-02-12
Rated 3 out of 5 by from A little disappointed :-( I read online that this baselayer ran a little small, so I looked at the size chart and ordered a size large. It's much too large. Worse, I was expecting it to keep me toasty while skiing, and it doesn't. Not toasty. Not warm. No better than my much less expensive baselayer that I was wearing before. So, although the quality of the construction and the look are lovely, I'm disappointed that it doesn't fit as I was led to believe and certainly doesn't deliver in terms of the warmth I was expecting.
Date published: 2017-02-08
Rated 2 out of 5 by from Product is too tight This base layer is too small and tight. I had to return it. The quality looked good. I guess Ill have to get 2 sizes bigger.
Date published: 2017-01-23
Rated 5 out of 5 by from Great cold weather baselayer I liked this so much, I bought another right away. I can wear just this with a soft shell jacket on a 20 degree day and be perfectly comfortable on my walk. I'm 5'6", size 6 with broad shoulders and long arms. The medium was just right for me.
Date published: 2017-01-13
Rated 4 out of 5 by from it's true to size. I read the review and bought one size up. But it's then too large for me. PUt it here to remind the later buyers.
Date published: 2017-01-04
Rated 5 out of 5 by from A little small, but assume it will stretch. I have an older version of small, and this is cut a little tighter, esp the sleeves and underarms. The fabric is ribbed and very strong, but I assume garment will relax with time. Love purple color. If you're not quite a "true" size, consider going a size up. Runs a little small= did not return it.
Date published: 2017-01-03
Rated 5 out of 5 by from Comfortable base layer top This top is a great baselayer, super comfy and warm. This runs very true to size for me. I am 5'6", 130lbs and am always in the small size range. All the reviews stated this item ran very small and to order up a size so I got a medium first, it was huge!! Billowing sleeves and super baggy in the body. I exchanged for a small and it's perfect. It could even be a bit more form hugging around the mid section as these type of tops are supposed to be almost a compression fit, but I think that will give it room to layer over a sport tank. I haven't tested it in cold conditions yet but am headed to Zion next week for New Years and will get lots of use out of it there. Should be perfect!
Date published: 2016-12-21
Rated 5 out of 5 by from Love it! Fits perfect, perfect under layer to keep you warm!
Date published: 2016-12-19
Rated 4 out of 5 by from Not what I needed I did not realize this was a bottom layer for outdoor sports and what I needed was a top to wear with or without a vest. The fit of the medium for my 5'4" 36C was too snug for my purpose but but would have been fine as an undergarment for skiing or hiking. The length was long, but would have stayed tucked in nicely and I love having thumb holes in tops to keep my hands warmer in cold weather.
Date published: 2016-05-28
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Size & Fit Guide

Size Chart

Size & Fit Guide
Size XS
Bust 32-33
Waist 25.5-26.5
Hips 34.5-35.5
Size L
Bust 39-40.5
Waist 32-33.5
Hips 41.5-43
How to Measure
  • 1. 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.
  • 2. Waist: Measure around the natural waistline, allowing the tape measure to sit comfortably.
  • 3. Hips: Measure around the fullest part of your hips.
  • 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.
Women'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

How to Measure

    (Before you begin, put on socks the you will use with the footwear you would like to purchase).
  • 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
Standard $7.00 CAD 2 Business Days: ON, QC
4-10 Business Days: Rest of Canada
Express $18.00 CAD Next Business Day: ON, QC, & most centres
3-4 Business Days: Rest of Canada

Return Policy

Returns are accepted within 60 days of the purchase date online. 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