
Icebreaker Women's Merino Icebreaker Anniversary Original Long Sleeve Half Zip
Naturally warm, effortlessly stylish—Merino performance for every adventure
The Icebreaker Anniversary Original Long Sleeve Half Zip Top delivers premium warmth and comfort with 100% Merino wool. Designed for hiking, snow sports, and everyday wear, this mid-layer provides breathability and odour resistance while keeping you warm in the cold and cool in the heat. Featuring a bodymapped performance knit, seamless construction for comfort, and a stylish Coronet Stripe design on the sleeve, this special anniversary edition top blends function and heritage style effortlessly.
Features
- 100% Merino wool for natural warmth, breathability, and odour resistance
- Bodymapped performance knit structures enhance airflow
- Seam-free construction for superior comfort
- Coronet Stripe textural design on the sleeve
- Special anniversary edition hang-tag
- Rib collar, sleeve cuffs, and bottom hem
Specifications
- Claimed Weight: 600g (Size S)
- Fabric: 100% Merino wool
- Warmth System: 300 Heavyweight
Icebreaker Women's Tops and Jackets Size Guide
How To Measure Your Size

Be sure to keep the tape level, and not too tight. Then use the chart as a guide, but allow for some variance based on how you prefer the garment to fit.
CHEST: Measure around your chest/bust, just under armpit.
WAIST: Measure around your waist at the smallest circumference
HIP: Stand, feet together, and measure around the largest circumference at the hips.
Size Chart
Size | Chest (cm) | Waist (cm) | Hip (cm) |
---|---|---|---|
X-Small | 76 - 82 | 58 - 64 | 84 - 90 |
Small | 82 - 88 | 64 - 70 | 90 - 96 |
Medium | 88 - 94 | 70 - 76 | 96 - 102 |
Large | 94 - 100 | 76 - 82 | 102 - 107 |
X-Large | 100 - 107 | 82 - 89 | 107 - 113 |
Measurements refer to body size, not garment dimensions.