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Icebreaker Women Siren Cami - black
Sleek, stylish and ideal for everyday layering, the Siren Cami is a soft and stretchy top with a premium fit. The Siren features corespun merino wool fabric that’s durable, stretchy and incredibly soft. The flattering scoop neck and slim fit offer feminine style.
Inspired by nature, icebreaker harnesses the performance qualities of natural fibers to offer an alternative to clothing based on petrochemical synthetics. Merino 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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Inspired by nature, icebreaker harnesses the performance qualities of natural fibers to offer an alternative to clothing based on petrochemical synthetics. Merino 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.
Find more products here
Merino Corespun - durable merino blend regulates body temperature in all weather conditions; Adjustable straps
83% Merino Wool, 12% Nylon, 5% LYCRA®
MACHINE WASH WARM. WASH INSIDE OUT WITH LIKE COLORS. DO NOT USE SOFTENER. DO NOT BLEACH. DO NOT TUMBLE DRY. LINE DRY IN SHADE. WARM IRON. DO NOT IRON PRINT AND ACCESSORIES. 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.
