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Icebreaker Men Merino 200 Oasis LS Half Zip - black
The benchmark against which all others are judged, the Merino 200 Oasis Long Sleeve Half Zip is icebreaker's best-selling base layer—a versatile active top for year-round layering and everyday comfort. Made with soft, breathable, and odor-resistant 100% merino jersey fabric, the Oasis also features a classic zip-neck design for easy layering and quick temperature regulation. Underarm gussets and set-in sleeves add mobility, and offset shoulder seams and flatlock stitching prevent chafing.
Inspired by nature, icebreaker harnesses the performance qualities of natural fibers to offer an alternative to clothing based on petrochemical synthetics. Merino wool is an annually renewable fiber that naturally resists odors, keeps you cool when it’s hot and warm when it’s not, and lets your skin breathe for comfort all day, every day.
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- 100% Merino wool - Soft, lightweight and naturally odour resistant fibre that keeps you warm when it's cold and cool when it's warm; Gusseted underarms for mobility and comfort; Offset shoulder seams to help reduce friction; Flatlock seams to help reduce friction; Drop tail hem for added coverage
- The benchmark against which all others are judged, the Merino 200 Oasis Long Sleeve Half Zip features our most versatile merino wool jersey fabric for year-round layering performance across any activity.
- 100% Wool Exclusive of decoration
- MACHINE WASH COLD; GENTLE CYCLE. WASH WITH LIKE COLORS. DO NOT USE SOFTENERS. CLOSE ALL FASTENERS BEFORE WASHING. DO NOT BLEACH. DO NOT TUMBLE DRY. LINE DRY IN SHADE. COOL IRON. DO NOT DRY CLEAN.
Icebreaker Size Chart
This chart is tailored to the current Icebreaker assortment at Fit-und-Warm: base layers, tops, pants/leggings, gloves, socks and headwear for women, men and children.
Men – Tops
| Size | Chest (cm) | Arm length (cm) |
|---|---|---|
| XS | 84–89 | 85–85.75 |
| S | 89–94 | 85.75–86 |
| M | 94–102 | 86–86.5 |
| L | 102–110 | 86.5–87 |
| XL | 110–118 | 87–87.75 |
| XXL | 118–126 | 87.75–88.75 |
| XXXL | 126–134 | 88.75–89.75 |
Men – Bottoms / Leggings / Pants
| Size | Waist (cm) | Hip (cm) |
|---|---|---|
| XS | 70–75 | 83–88 |
| S | 75–80 | 88–93 |
| M | 80–86 | 93–99 |
| L | 86–94 | 99–105.5 |
| XL | 94–102 | 105.5–112 |
| XXL | 102–110 | 112–118.5 |
| XXXL | 110–118 | 118.5–125 |
Women – Tops and Bottoms
| Size | Bust (cm) | Waist (cm) | Hip (cm) |
|---|---|---|---|
| XXS | 70–76 | 56–61 | 79–84 |
| XS | 76–82 | 61–66 | 84–90 |
| S | 82–88 | 66–71 | 90–96 |
| M | 88–94 | 71–77 | 96–102 |
| L | 94–100 | 77–84 | 102–108 |
| XL | 100–107 | 84–91 | 108–114 |
| XXL | 107–116.5 | 91–101 | 114–123 |
Kids
| Age / size | Height (cm) | Weight (kg) |
|---|---|---|
| 2 | 92 | 13–15 |
| 3 | 98 | 15–17 |
| 4 | 104 | 17–19 |
| 5 | 110 | 19–21 |
| 6 | 116 | 21–24 |
| 8 | 128 | 24–29 |
| 10 | 140 | 29–37 |
| 12 | 152 | 37–46 |
| 14 | 164 | 46–55 |
Gloves
| Size | Hand length (cm) | Palm girth (cm) |
|---|---|---|
| XS | 17 | 18.5 |
| S | 18 | 19.5 |
| M | 19 | 21 |
| L | 20 | 22.5 |
| XL | 21 | 23.5 |
Hand length: middle fingertip to the base of the palm. Palm girth: around the widest part of the hand, excluding the thumb. If between sizes, Icebreaker recommends the smaller size for a tighter fit or the larger for a looser fit.
Men's Socks
| Size | EU | US | UK |
|---|---|---|---|
| S | 39–41.5 | 7–8.5 | 6–7.5 |
| M | 42–44 | 9–10.5 | 8–9.5 |
| L | 44.5–46.5 | 11–12.5 | 10–11.5 |
| XL | 47–49 | 13–14.5 | 12–13.5 |
Women's Socks
| Size | EU | US | UK |
|---|---|---|---|
| S | 35–37 | 5.5–7 | 3–4.5 |
| M | 38–40 | 7.5–9 | 5–6.5 |
| L | 41–43 | 9.5–11 | 7–8.5 |
Headwear / Neckwear
Many Icebreaker Flexi Chutes and similar head/neck accessories are offered as One Size. For beanies or headbands with size choices, always use the product-specific Icebreaker size chart.
Fits
| Fit | Meaning |
|---|---|
| Slim | Snug, close-to-body fit for low-bulk layering. |
| Regular | Neither snug nor loose; worn solo or over other layers. |
| Relaxed | Loose-fitting layers for a more relaxed feel. |
Assortment check: current Fit-und-Warm Icebreaker brand page. Manufacturer sources: official Icebreaker Size Charts and current product size guides for men, women, kids and gloves on icebreaker.com. Research checked on 20 August 2026.