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| Men Alpha | US (chest) | EU |
|---|---|---|
| XXS | 34 | 44 |
| XS | 35 | 45 |
| XS | 36 | 46 |
| S | 37 | 47 |
| S | 38 | 48 |
| M | 39 | 49 |
| M | 40 | 50 |
| M | 41 | 51 |
| L | 42 | 52 |
| L | 43 | 53 |
| L | 44 | 54 |
| XL | 45 | 55 |
| XL | 46 | 56 |
| XL | 47 | 57 |
| XXL | 48 | 58 |
| XXL | 50 | 60 |
| XXXL | 52 | 62 |
| US (chest) | 37 |
| EU | 47 |
| US (chest) | 39 |
| EU | 49 |
| US (chest) | 42 |
| EU | 52 |
| US (chest) | 45 |
| EU | 55 |
Long sleeve lightweight merino wool crew neck Oasis BF200 baselayer.
Brand: Icebreaker
Material: 100% Merino Wool
Origin: Imported
If there's one thing New Zealand has a lot of, it’s merino sheep. Luckily for you outdoorsy types, the Wellington-based clothing label Icebreaker discovered the perfect use for all that wool: turn it into exceptional base-layer clothing and gear for hiking, skiing, and running. Known for its warmth and breathability, Merino wool doesn’t itch or hold odor — major advantages when you're hiking to the South Pole, or simply too lazy to change your shirt for four days. Since its founding by Jeremy Moon in the mid-1990s, Icebreaker has expanded its collection of men’s, women’s, and kids’ clothing to include everything from underwear and socks to T-shirts, fleece jackets, and leggings. As an added bonus, customers can click on a bar code (or “baa code,” in official Icebreaker parlance), located on the company website, to learn more about each purchase — from the sheep that produced the wool to the farms where they live.