An early advocate for sustainable textiles, Icebreaker has over 20 years of experience finding natural solutions to technical apparel. And while that sentiment is a bit more popular these days, they are decidedly anti-trendy. By focusing on simple, versatile designs and quality construction, they've managed to produce clothes that you'll keep in the rotation year after year. The Zoneknit Merino Vest is an insulated yet highly breathable garment made to handle lots of activity. You'll exhaust yourself trying to push this thing to its limits.
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