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Women's Insect Blocker™ Knit Long Sleeve Shirt


Style# 1533691
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Uses Trail
Size & Fit Guide | Sizing Fits Slightly Small | Fit Active


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Style# 1533691
Uses Trail


When the heat is on and the bugs are biting, this lightweight, sweat-wicking women’s long sleeve employs our Insect Blocker™ technology for effective, long-lasting, invisible protection against mosquitoes, flies, ticks, ants et cetera so you can enjoy the outdoors in comfort and peace. Built-in UPF 15 adds another level of protection against the elements.

  • Insect Blocker™
  • Omni-Wick™
  • UPF 15 sun protection
  • Active Fit
  • Comfort stretch
  • Antimicrobial treatment protects this product from bacterial growth
  • Center Back Length: 25.5 in
  • Imported

  • 100% Polyester Insect Blocker Interlock
Insect Blocker™
Blocks wind to prevent chill
High-Performance Wicking Fabric

Technology Videos

Play youtube video about Insect Blocker (tm)
Insect Blocker™
Keeps bugs at bay so you can enjoy the outdoors in peace.
Play youtube video about Omni-Wick (tm)
Pulls moisture away from the body so sweat can evaporate quickly.


Women's Insect Blocker™ Knit Long Sleeve Shirt 3.5 5 2 2
It works. Bought for trip to Machu Picchu, Peru. Used repellant only on exposed areas - face & hands. Shirt was so effective in keeping insects (specifically mosquitoes) away, did not have to spray pants with repellant. Several people on same tour sustained bites so severe, they required medical attention. If like me, you do not like the feel or smell of repellant on your body, this is the shirt for you. Normally buy medium but not available so bought large which fit loosely but comfortable - medium would have been too snug for me. December 1, 2014
nice fabric I have had other insect block long sleeve tees that were made from disappointing fabric, so I'm happy to report this is a genuine tech tee, It is made from a midweight quick drying fabric. I'm looking forward to using it on some backpacking trips. March 20, 2014
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Size & Fit Guide

Size Chart

Size & Fit Guide

Women'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.

Women'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
Waist 27-29 30-32 33-35 36-38 39-42 43-46
Hips 32-34 35-37 38-40 41-43 44-46 47-49
Chest Size 32-35 35-38 38-41 42-45 46-49 50-53
NECK 17-17.5 18-18.5 19-19.5
Sleeve Length 35 36 37
Waist 36-38 39-42 43-46
Hips 41-43 44-46 47-49
Chest Size 42-45 46-49 50-53

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.

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