Merino Wool

The versatile, go-anywhere shirt made from breathable 100% merino wool jersey, the 200 Oasis Long Sleeve Crewe is Icebreaker's best-selling base layer top.

Simple but practical, our Men's Active Ultralite Short Sleeve tee is soft yet functional, for all-day comfort and utility. Its super-light performance fabric—a blend of ZQ-certified Merino wool with TENCEL™ Lyocell fibers—this performance fabric will help keep you cool when your intensity amps up, and its design helps minimize chafing. Plus, it's odor-resistant, breathable, and temperature-regulating, all helpful features when you work up a sweat. With a body-hugging athletic fit, this tee will keep you looking and feeling good, whether you're pumping iron at the gym or hitting the trail for a hike.

Any day outside is a good day—and it’s made even better with the right tee to set the tone. Smarrtwool's Men's Active Ultralite Graphic Short Sleeve Tee is crafted with comfort in mind: with a super-soft blend of Merino wool and TENCEL Lyocell fibers, this performance fabric will help keep you cool, even if you’re building up that sweat. Plus, it has offset shoulder and side seams that help reduce chafing, as well as a body-skimming fit that moves with you. And if your outdoor adventure goes into the evening, it’s got reflective elements that can help you be seen. For your next day out, be sure this tee is part of your gear.

This isn’t your ordinary workout tee. Our Men’s Active Mesh Short Sleeve was made for comfort and performance, with a relaxed and roomy fit that’s designed to not slow you down or disrupt your workout. With three performance fabrics in one, you get the natural benefits of Merino wool with the durability and quick drying time of recycled polyester (29%), plus the softness and cooling properties of TENCEL™ Lyocell fiber. Mesh ventilation at the sleeves and back keep things breathable, so you can feel good no matter how hard you push your workout.

For warm-weather biking or as a good first layer, Smartwool's Men’s Active Ultralite Mountain Biking Short Sleeve Tee is purpose-built for the avid rider. It’s super light and super soft, and its blend of ZQ-certified Merino wool with TENCEL™ fibers performance fabric will help with odor control, temperature regulation, and dry times. Plus, it offers thoughtful design elements like offset shoulder and side seams, a longer back hem, and reflective elements for low-light conditions. For your next ride, make this tee part of your go-to gear.

Soft, comfortable and versatile for a wide variety of active pursuits, the Merino 125 Cool-Lite™ Sphere III Long Sleeve Tee Terrain Lines features Icebreaker's lightweight Cool-Lite™ merino jersey. The original graphic artwork draws inspiration from contoured terrain and the rhythmic pace that all runners seek.

Looking for an "ordinary shirt" that can keep up with all of your adventures? The year-round Men's Merino Short Sleeve Tee is up to the challenge. With Core Spun technology, we've wrapped Merino around a nylon core for added durability while still keeping the comfort of ultra-soft, responsibly sourced Merino next to skin. Built for consistent comfort, even when wearing a pack, this shirt is ready to explore the world on your back.

A classic, all-purpose base layer T-shirt made with soft and breathable 100% merino wool fabric, the 175 Everyday Short Sleeve Crewe is as versatile as it is comfortable.

Soft, comfortable and versatile for a wide variety of active pursuits, the Merino 125 Cool-Lite™ Sphere III Long Sleeve Tee features our lightweight Cool-Lite™ merino jersey.

Icebreaker's most versatile tech tee that provides comfort, breathability and odour-resistance for four seasons worth of adventure, the Merino 150 Tech Lite III Short Sleeve Tee Cadence Paths features 100% merino for all-natural performance. The original artwork by Damon Watters draws inspiration from the flowing lines of life on two wheels.

Icebreaker's most versatile tech tee that provides comfort, breathability and odour-resistance for four seasons worth of adventure, the Tech Lite III Short Sleeve Tee Peak Glow features 100% merino for all-natural performance. The original artwork features a stippled print effect that references light hitting two mountain peaks.

A performance tee – naturally. Made from Merino wool, a material known for temperature regulation and odour resistance, the logo Ionia is light, soft, breathable, and responsibly sourced. The construction wraps the wool’s fine-gauge fibres around a nylon core for added durability. The fit is streamlined and comfortable, and the articulated patterning moves with you on hikes, runs, tours, and treks.

A versatile, go-anywhere shirt made from breathable 100% merino wool jersey, the 200 Oasis Short Sleeve Crewe is Icebreaker's best-selling base layer top. Fibers that regulates the body temperature in all weather conditions, along with resisting odors; gusseted underarms for mobility and comfort

A versatile 100% merino wool base layer top with a classic zip-neck design, the 200 Oasis Long Sleeve Half Zip combines casual comfort with technical performance.

A midweight merino base layer top designed to help regulate temperature during high-intensity activity, the 200 ZoneKnit™ Long Sleeve Crewe features 100% pure and natural merino wool.

A heavyweight merino base layer top designed to help regulate temperature during high-intensity activity, the 260 ZoneKnit™ Long Sleeve Crewe features 100% pure and natural merino wool.

Tailored from a Merino wool and nylon knit blend, Ashlu delivers the thermoregulation and antibacterial properties that make this natural fibre so popular, with the strength and durability of a non-wool jersey. Trimmed with a full-front zipper, Ashlu offers five generous rear ‘Anything’ pockets - three rear and two zippered side pockets - offering a heap of storage options. Supported by fabric that resists vertical stretch, the Anything panel floats off the jersey body to help retain a clean form even when packed to capacity. On the bike, Ashlu’s trim fit suits party pace, pelotons, and extended adventures alike, where its Merino-rich fabric quickly bounces back to box-fresh when there’s no washing machine in sight.

A slim-fit mid layer that’s ideal for technical mountain adventures like hiking, skiing and climbing, the Merino 260 Quantum IV Long Sleeve Zip Hoodie naturally resists odours and helps regulate your body temperature thanks to its 100% merino wool fabric.