Feel the Difference
"I really like the feel and comfort of the ultra fine merino. The fit is great. I like the lower mock collar. The polar is also wonderful to wear indoors when the winter temperatures head into the minus twenties and more."
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$260.00
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$260.00
This item's price has been updated recently to ensure you get the best value.
Last priced at -
A heavyweight merino wool base layer top designed to keep you warm and comfortable on the coldest of days, the 300 MerinoFine™ Polar Long Sleeve Half Zip features our premium, luxuriously soft ultra-fine merino fibres that are incredibly soft next to skin.
Good for:

100% Merino Wool. Exclusive of Decoration.
Machine wash cold gentle cycle. Wash with like colors. Do not use softener. Close all fasteners before washing. Do not bleach. Do not tumble dry. Dry flat in the shade. Cool iron. Do not dry clean.
Key product measurements
Back High Point Shoulder to Hem: 68.5cm/26.7in (Based on size M)
Fit
Slim
Overall rating: 5.0 / 5 from 5 reviews.
Review topics: [].
"I really like the feel and comfort of the ultra fine merino. The fit is great. I like the lower mock collar. The polar is also wonderful to wear indoors when the winter temperatures head into the minus twenties and more."
— Jane B. (5/5)
"Great for cold winter hikes and snowshoeing. Very soft and excellent fit."
— Sada N. (5/5)
"I would definitely buy this shirt again, it is very soft, comfortable and warm when wearing by itself or with other icebreaker layering."
— Bri (5/5)
"So soft, so warm, so comfortable and so well-made. I've worn this on multi-day camping trips and can confirm it doesn't hold onto odors. The zipper is unobtrusive enough to stay comfortable and the sleeves fit whether or not I'm using the thumb holes. It washes and air dries so so well and keeps the perfect, steady body temperature. I'll be buying more for sure."
— Bee (5/5)
"Incredibly soft, beautifully made top. I love the slightly lower but snug polo neck collar. Can we have more colours instead of just black ? Can we have more of this lower collar ?"
— All A. (5/5)
Find the size that fits you best based on people just like you.
Use the chart below to determine your size. If you’re between two sizes, order the smaller size for a tighter fit or the larger size for a looser fit. If your measurements for chest and waist correspond to two different sizes, order the size indicated by your chest measurement for tops and your hip measurement for pants.
| XS | S | M | L | XL | XXL | |
|---|---|---|---|---|---|---|
| Bust | 30-32 | 32-34 | 34-37 | 37-40 | 40-42 | 42-45 |
| Arm length | 30 | 30.25 | 30.5 | 30.75-31 | 31-31.25 | 31.25-31.5 |
| Waist | 24-26 | 26-28 | 28-30 | 30-33 | 33-36 | 36-39 |
| Hips | 33-35.5 | 35.5-38 | 38-40 | 40-42.5 | 42.5-45 | 45-48.5 |
| XS | S | M | L | XL | XXL | |
|---|---|---|---|---|---|---|
| Bust | 76-82 | 82-88 | 88-94 | 94-100 | 100-107 | 107-116.5 |
| Arm length | 76-76.5 | 76.5-77 | 77-77.5 | 78-78.5 | 78.5-79 | 79-79.5 |
| Waist | 61-66 | 66-71 | 71-77 | 77-84 | 84-91 | 91-101 |
| Hips | 84-90 | 90-96 | 96-102 | 102-108 | 108-114 | 114-123 |
Our three different fits - slim, regular, and relaxed - ensure that when worn together, layers move and breathe like a single garment.
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