Omni-Heat Helix
A man in a black Columbia Mens Crystal Leaf Omni-Heat Helix Technical Half Zip Fleece and green pants stands facing forward against a white background.
A man faces forward against a white background, wearing Columbias Mens Crystal Leaf Omni-Heat Helix Technical Half Zip Fleece in black, olive green outdoor pants, and black shoes.
A man in a black Columbia Mens Crystal Leaf Omni-Heat Helix Technical Half Zip Fleece and green pants stands against a white background—an ideal technical midlayer for cool conditions.
A person wearing the Columbia Mens Crystal Leaf Omni-Heat Helix Technical Half Zip Fleece in black and green pants lifts the shirt, revealing a stretchy waistband with a pink and black polka dot pattern.
A person with dark hair is shown from the back wearing a black Columbia Mens Crystal Leaf Omni-Heat Helix Technical Half Zip Fleece, featuring the white logo on the upper back—a stylish, high-performance midlayer for outdoor activities.
Close-up of a person wearing a black Columbia Mens Crystal Leaf Omni-Heat Helix Technical Half Zip Fleece featuring a textured pattern, chest logo, and upper sleeve logo.
A man with short brown hair and a beard wears a black Columbia Mens Crystal Leaf Omni-Heat Helix Technical Half Zip Fleece and looks at the camera against a white background.
A man with dark hair, seen from behind, wears a black Columbia Mens Crystal Leaf Omni-Heat Helix Technical Half Zip Fleece and green pants against a plain white background.
A young man with short curly hair wears a light beige Columbia Mens Crystal Leaf Omni-Heat Helix Technical Half Zip Fleece and gray pants, standing facing forward against a plain white background.
A man in a light beige Columbia Mens Crystal Leaf Omni-Heat Helix Technical Half Zip Fleece with a sleeve badge, paired with gray pants, stands against a white background.
A man with short curly hair wears a light beige Columbia Mens Crystal Leaf Omni-Heat Helix Technical Half Zip Fleece, featuring a black zipper, chest logo, and a small black sleeve graphic, standing against a white background.
A person with short, curly hair is shown from the back wearing a light beige Columbia Mens Crystal Leaf Omni-Heat Helix Technical Half Zip Fleece. The Columbia logo is on the upper back against a white background.
A man faces forward wearing a Columbia Mens Crystal Leaf Omni-Heat Helix Technical Half Zip Fleece in light beige, gray pants, and black sneakers against a plain white background.
A man in a light beige Columbia Mens Crystal Leaf Omni-Heat Helix Technical Half Zip Fleece with thumbholes adjusts the sleeve, showcasing Omni-Heat near the wrist and emphasizing its performance midlayer design.
A person with short curly hair, seen from behind against a white background, wears a light beige Columbia Mens Crystal Leaf Omni-Heat Helix Technical Half Zip Fleece with textured sleeves and back, paired with gray pants.
A person pulls up a Columbia Mens Crystal Leaf Omni-Heat Helix Technical Half Zip Fleece, revealing a pink and red polka-dot inner lining; only their torso and hands are visible.
1 16
A man in a black Columbia Mens Crystal Leaf Omni-Heat Helix Technical Half Zip Fleece and green pants stands facing forward against a white background.
A man faces forward against a white background, wearing Columbias Mens Crystal Leaf Omni-Heat Helix Technical Half Zip Fleece in black, olive green outdoor pants, and black shoes.
A man in a black Columbia Mens Crystal Leaf Omni-Heat Helix Technical Half Zip Fleece and green pants stands against a white background—an ideal technical midlayer for cool conditions.
A person wearing the Columbia Mens Crystal Leaf Omni-Heat Helix Technical Half Zip Fleece in black and green pants lifts the shirt, revealing a stretchy waistband with a pink and black polka dot pattern.
A person with dark hair is shown from the back wearing a black Columbia Mens Crystal Leaf Omni-Heat Helix Technical Half Zip Fleece, featuring the white logo on the upper back—a stylish, high-performance midlayer for outdoor activities.
Close-up of a person wearing a black Columbia Mens Crystal Leaf Omni-Heat Helix Technical Half Zip Fleece featuring a textured pattern, chest logo, and upper sleeve logo.
A man with short brown hair and a beard wears a black Columbia Mens Crystal Leaf Omni-Heat Helix Technical Half Zip Fleece and looks at the camera against a white background.
A man with dark hair, seen from behind, wears a black Columbia Mens Crystal Leaf Omni-Heat Helix Technical Half Zip Fleece and green pants against a plain white background.
A young man with short curly hair wears a light beige Columbia Mens Crystal Leaf Omni-Heat Helix Technical Half Zip Fleece and gray pants, standing facing forward against a plain white background.
A man in a light beige Columbia Mens Crystal Leaf Omni-Heat Helix Technical Half Zip Fleece with a sleeve badge, paired with gray pants, stands against a white background.
A man with short curly hair wears a light beige Columbia Mens Crystal Leaf Omni-Heat Helix Technical Half Zip Fleece, featuring a black zipper, chest logo, and a small black sleeve graphic, standing against a white background.
A person with short, curly hair is shown from the back wearing a light beige Columbia Mens Crystal Leaf Omni-Heat Helix Technical Half Zip Fleece. The Columbia logo is on the upper back against a white background.
A man faces forward wearing a Columbia Mens Crystal Leaf Omni-Heat Helix Technical Half Zip Fleece in light beige, gray pants, and black sneakers against a plain white background.
A man in a light beige Columbia Mens Crystal Leaf Omni-Heat Helix Technical Half Zip Fleece with thumbholes adjusts the sleeve, showcasing Omni-Heat near the wrist and emphasizing its performance midlayer design.
A person with short curly hair, seen from behind against a white background, wears a light beige Columbia Mens Crystal Leaf Omni-Heat Helix Technical Half Zip Fleece with textured sleeves and back, paired with gray pants.
A person pulls up a Columbia Mens Crystal Leaf Omni-Heat Helix Technical Half Zip Fleece, revealing a pink and red polka-dot inner lining; only their torso and hands are visible.
Columbia

Men's Crystal Leaf Omni-Heat Helix Technical Half Zip Fleece

€54.99 €99.99
Size: Size chart
Columbia Sportswear — Sizing & Fit Charts

Columbia Size Guide

Find your perfect Columbia fit — Men's, Women's and Kids' measurements for clothing and footwear, with EU, UK and US conversion.

This is the Columbia size guide we use to fit Columbia clothing and footwear at Great Outdoors. The charts below convert between EU, UK and US sizes for Men's, Women's and Kids', with body measurements in centimetres for clothing and foot length in centimetres for footwear. Use the tabs to switch between clothing and footwear, then the buttons below to change gender.

Men's Clothing Sizing

All measurements are body measurements in centimetres (cm).
Tip: Between two sizes? Choose the larger one for outerwear and the smaller for base layers.
Tops, Jackets & Fleeces — Regular Fit Sizing
Measurement XS S M L XL XXL
Chest (cm) 88–89 91–94 99–104 108–112 118–122 128–132
Waist (cm) 73–74 76–79 84–89 91–97 102–107 112–117
Hips (cm) 86–87 89–91 97–102 105–109 113–119 126–130
Tops & Outerwear — Big & Tall Sizing
Measurement 1X (XL) 2X (XXL) 3X (3XL) 4X (4XL) 5X (5XL) 6X (6XL)
Chest (cm) 117–125 127–132 137–142 147–152 158–163 168–173
Waist (cm) 99–107 109–114 119–125 130–135 140–145 150–155
Hips (cm) 113–117 121–125 128–132 136–142 144–147 151–155
Trouser Sizing — Regular
Measurement XS S M L XL XXL
EU Size 44/46 48 50 52/54 56/58 60
UK Size XS S M L XL XXL
US Waist (inches) 28–30 32 34 36–38 40–42 42–44
Waist (cm) 68–74 76–81 84–89 91–96 99–107 109–117
Hips (cm) 81–86 89–94 97–102 104–109 112–117 119–124
Inseam Short 76 cm (30")
Inseam Regular 81 cm (32")
Inseam Long 86 cm (34")
Glove Sizing
Measurement S M L XL
Hand length (cm) 19–20 20–21 21–22 22–23

Performance

Body-contouring cut that moves with you. Ideal for high-activity layers.

Active

Body-skimming with mobility built in. Versatile for most activities.

Modern Classic

Universal, comfortable fit. Great for everyday outdoor use.

Relaxed

Most generous cut. Full range of movement and layering room.

Women's Clothing Sizing

All measurements are body measurements in centimetres (cm).
Tip: Unisex items follow Men's sizing — women should typically size down one size.
Tops, Jackets & Fleeces — Standard Fit Sizing
Measurement XS S M L XL XXL
EU Size 32 34/36 38/40 42/44 46/48 50/52
UK Size 6 8/10 12/14 16/18 20/22 24/26
US Size 6 8 10 12 14 16
Bust (cm) 85 88–90 93–95 99–103 107–111 112–117
Waist (cm) 67 71–74 76–79 83–86 90–95 97–104
Hips (cm) 90 94–97 99–102 105–109 113–118 119–127
Tops & Outerwear — Plus Size Sizing
Measurement 1X 2X 3X
US Size 16W/18W 20W/22W 24W/26W
UK Size 20/22 24/26 28/30
Bust (cm) 109–114 119–125 130–135
Waist (cm) 91–97 102–108 114–119
Hips (cm) 117–122 127–132 137–142
Trouser & Shorts Sizing — Standard
Measurement XS S M L XL XXL
EU Size 32 34–36 38–40 42–44 46–48 50–52
UK Size 6 8–10 12–14 16–18 20–22 24–26
US Size 2 4–6 8–10 12–14 16–18 20
Waist (cm) 67 71–74 76–79 83–86 90–95 97–104
Hips (cm) 90 94–97 99–102 105–109 113–118 119–127
Inseam Short 75 cm (29.5")
Inseam Regular 81 cm (32")
Inseam Long 88 cm (34.5")
Glove Sizing
Measurement S M L XL
Hand length (cm) 18–18.5 19–19.5 20–20.5 21–21.5

Performance

Body-contouring cut that moves with you. Ideal for high-activity layers.

Active

Body-skimming with mobility built in. Versatile for most activities.

Modern Classic

Universal, comfortable fit. Great for everyday outdoor use.

Relaxed

Most generous cut. Full range of movement and layering room.

Kids' Clothing Sizing

Sized by age and height in centimetres.
Kids' Clothing — Age & Height Sizing
Size Age EU Size Height (cm)
3/6M Under 6 months 068 62–68
6/12M 6–12 months 074 75–78
12/18M 12–18 months 080 79–84
2Y 2 years 086 84–90
3Y 3 years 092 91–98
4Y 4 years 098 98–105
XXS 4–5 years 104 99–113
XS 6–7 years 116 114–125
S 8 years 128 126–137
M 10–12 years 140 138–150
L 14–16 years 152 151–160
XL 18 years 164 161–173
Kids' Glove Sizing
Size Age Hand Length (cm)
XS 4–6 years 15.5–16.25
S 7–8 years 16.5–17.25
M 8–9 years 17.5–18
L 10–12 years 18.5–19
XL 14–16 years 19.25–20
🙋 Not sure about your size?

Our team is here to help you find the perfect fit. Get in touch and we'll sort it out for you.

📞 01 679 4293 ✉ info@greatoutdoors.ie

How to Measure — Clothing

1
Chest / Bust Measure at the fullest part of the chest, under the armpits and over the shoulder blades. Keep the tape firm and level.
2
Waist Measure around the natural waistline, allowing the tape to sit comfortably. Do not pull too tight.
3
Hips Measure around the fullest part of your hips and seat, keeping the tape horizontal.
4
Inseam Measure from the top of the inner leg down to the bottom of the ankle while standing upright.
5
Sleeve Start at the centre back of the neck, over the shoulder and down to the wrist. Round up to the next even number.
6
Hand Length Measure from the base of the thumb to the tip of the middle finger on a flat, open hand.

Men's Footwear Sizing

Columbia footwear uses standard EU / UK / US sizing. Foot length in cm is provided for the most accurate fit.
Tip: When in doubt between sizes, go half a size up — especially for hiking boots where you'll be wearing thicker socks.
Men's Shoe Size Conversion
EU UK US Foot Length (cm)
40 6 7 24.3–24.7
40.5 6.5 7.5 24.7–25.1
41 7 8 25.1–25.6
41.5 7.5 8.5 25.6–26.0
42 8 9 26.0–26.4
42.5 8.5 9.5 26.4–26.9
43 9 10 26.9–27.3
43.5 9.5 10.5 27.3–27.7
44 10 11 27.7–28.1
44.5 10.5 11.5 28.1–28.5
45 11 12 28.5–29.0
46 12 13 29.0–29.8
47 13 14 29.8–30.7
48 14 15 30.7–31.5
49 15 16 31.5–32.4
50 16 17 32.4–33.2

Women's Footwear Sizing

Columbia footwear uses standard EU / UK / US sizing. Foot length in cm is provided for the most accurate fit.
Tip: When in doubt between sizes, go half a size up — especially for hiking boots where you'll be wearing thicker socks.
Women's Shoe Size Conversion
EU UK US Foot Length (cm)
36 3 5 21.8–22.2
36.5 3.5 5.5 22.2–22.6
37 4 6 22.6–23.1
37.5 4.5 6.5 23.1–23.5
38 5 7 23.5–23.9
38.5 5.5 7.5 23.9–24.3
39 6 8 24.3–24.7
39.5 6.5 8.5 24.7–25.1
40 7 9 25.1–25.6
40.5 7.5 9.5 25.6–26.0
41 8 10 26.0–26.4
41.5 8.5 10.5 26.4–26.9
42 9 11 26.9–27.3
43 10 12 27.3–28.1

Kids' Footwear Sizing

EU, UK and US sizes with foot length guidance for growing feet.
Kids' Shoe Sizes (EU 21–30)
EU UK US Foot Length (cm)
21 3K 4K 10.8–11.2
22 4K 5K 11.2–12.1
23 5K 6K 12.1–12.9
24 6K 7K 12.9–13.8
25 7K 8K 13.8–14.6
26 8K 9K 14.6–15.5
27 9K 10K 15.5–16.3
28 10K 11K 16.3–17.1
29 11K 12K 17.1–18.0
30 11.5K 12.5K 18.0–18.4
Kids' Shoe Sizes (EU 31–39)
EU UK US Foot Length (cm)
31 12K 13K 18.4–18.8
32 13K 1 18.8–19.7
33 1 2 19.7–20.5
34 2 3 20.5–21.3
35 3 4 21.3–22.2
36 3.5 4.5 22.2–22.6
37 4 5 22.6–23.1
38 5 6 23.1–23.9
39 6 7 23.9–24.7
🙋 Not sure about your size?

Our team is here to help you find the perfect fit. Get in touch and we'll sort it out for you.

📞 01 679 4293 ✉ info@greatoutdoors.ie

How to Measure — Footwear

1
Foot Length Place your foot on a flat surface. Measure from the back of your heel to the tip of your longest toe.
2
Best Time to Measure Measure in the afternoon or evening — feet naturally swell throughout the day for the most accurate fit.
3
Half Sizes If you're between sizes, choose the larger half size, particularly for hiking and trail footwear.
4
Sock Thickness When measuring for hiking or winter boots, wear the type of socks you plan to use — this affects your ideal size.
Colour: Black
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Sold out
Get it Thu, Jul 2 – Fri, Jul 3
Free Delivery over €95 (IE) 31-Day Returns Policy
Benefits
omni-wick™
4‑way stretch fabric
moisture‑wicking fabric
omni-heat™ helix
columbia titanium collection
Frequently bought together
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€56.00
Men’s Silver Ridge Elite Long Sleeve Woven Shirt
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€99.99
A technical active midlayer from Columbia featuring Omni-Heat Helix insulation and Omni-Wick moisture management — warm, stretch-fit and built to move with you.

Details

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Style No.: 2094983
Shell: 90% Polyester, 10% Elastane
Insulation Technology: Omni-Heat™ Helix
Moisture Management: Omni-Wick™
Stretch: 4-way comfort stretch
Fit: Active
Features: Half-zip, thumbholes, locker loop, stretch binding on cuffs and hem
Best Use: Hiking, winter sports, active layering
Gender: Men's

We offer free delivery on all orders over €95, and €5.95 for all orders under €95.
 -We aim to ship all orders placed before 1:00pm on the same business day and have it delivered next-day, but in busy periods this can take longer, so allow for up to 3 working days for fulfillment.

We accept returns within 31 days of receiving the item, either in-store or by post. 
- All items returned must be suitable to be sold again as new. For our full returns policy - click here.
- In-store returns are Free of charge, and returns posted with An Post via our returns page are €5 from a post office, or €6 collected from your home.
- All returns can be organised with An Post click & post, and will be fulfilled as soon as they arrive back at our store. Click here to start a return.

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