Icebreaker
At Up and Under in Cardiff, UK, we stock a curated range of Icebreaker Merino wool clothing and accessories that are ideal for outdoor adventures, active lifestyles, and everyday comfort. From baselayers to beanies, Icebreaker’s natural performance gear is lightweight, breathable, odour-resistant, and sustainably made.
Founded in New Zealand in 1995, Icebreaker is a pioneer in natural fibre apparel, using 100% Merino wool to create clothing that performs in all conditions. With over 25 years of innovation, their garments help regulate body temperature, wick moisture, and reduce reliance on plastic-based fabrics. Icebreaker is committed to a more sustainable future, achieving 96% plastic-free clothing in 2023 and tracing every fibre to its ethical source. Whether you're hiking, skiing, or exploring the city, Icebreaker offers comfort, durability, and eco-conscious design you can trust.
Shop Icebreaker at Up and Under in-store or online for fast UK delivery and expert advice.
Icebreaker
Unisex Merino 200 Pocket Hat
The Icebreaker Unisex Merino 200 Pocket Hat offers the perfect blend of warmth, comfort and versatility. Made from 100% soft merino wool, this slim-fit hat is naturally cozy and fully reversible, giving you two stylish colour options in one. Whether you're out for a winter hike or just braving the cold, this lightweight, easy-to-pack hat keeps you warm while regulating your body temperature for all-day comfort. Simple yet functional, it’s your go-to accessory for effortless winter warmth and style.
Icebreaker
Unisex Merino 200 Pocket Beanie
The Icebreaker Unisex Merino 200 Pocket Beanie combines warmth and style in a sleek, versatile design. Crafted from 100% soft merino wool, this slim-fit beanie is fully reversible, offering two colour options for adaptable winter wear. Lightweight yet insulating, it features merino's natural ability to regulate body temperature in all weather conditions while resisting odours, making it an ideal choice for daily use in cooler climates.
Icebreaker
Unisex Merino 260 Tech Glove Liners
The Icebreaker Unisex Merino 260 Tech Glove Liners have been made with warm and breathable 260gm merino wool and touchscreen-compatible fingertips. These glove liners are perfect for cold aerobic pursuits and winter layering.
Icebreaker
Men's Merino 260 Tech Thermal Leggings with Fly
These midweight base layer bottoms are perfect for skiing, winter hiking, or cold-weather layering, the 260 Tech Leggings With Fly are a warmer version of Icebreaker's best-selling Oasis Leggings, made with 100% merino wool.
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Icebreaker
Men's Merino 260 Tech Thermal Leggings with Fly
These midweight base layer bottoms are perfect for skiing, winter hiking, or cold-weather layering, the 260 Tech Leggings With Fly are a warmer version of Icebreaker's best-selling Oasis Leggings, made with 100% merino wool.
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Icebreaker
Unisex Merino Chase Headband
The Icebreaker Unisex Merino Chase Headband has been made with a soft, stretchy and highly breathable 200gm merino jersey fabric with a touch of Lycra for added stretch. This headband is perfect for aerobic activities in cold conditions.
Icebreaker
Unisex Merino Vela Cuff Beanie
The Icebreaker Unisex Merino Vela Cuff Beanie is a casual everyday beanie that combines the classic fisherman style with a sustainable blend of merino wool and organic cotton, the Vela Cuff Beanie offers warmth and comfort inspired by nature.
Icebreaker
Unisex Merino 200 Oasis Glove Liners
The Icebreaker Unisex Merino 200 Oasis Glove Liners are simple, lightweight merino wool gloves for cool-weather aerobic pursuits and winter layering, the Oasis Glove Liners feature our best-selling 200gm jersey fabric with added LYCRA® for a stretchy, secure fit.
Icebreaker
Unisex Merino Oasis Balaclava
The Unisex Merino Oasis Balaclava is made with icebreaker's best-selling 200gm merino jersey fabric, the Oasis Balaclava provides soft, breathable, odour-resistant performance and protection in super-cold conditions.
Icebreaker
Men's Merino 260 Zone Long Sleeve Half Zip Thermal Top
The Icebreaker Men's Merino 260 Zone is a technical, cold-weather base layer top for highly aerobic days, the 260 Zone Long Sleeve Half Zip features zoned ventilation panels for temperature regulation and breathability. These base layers feature engineered body mapping technology to regulate your body temperature and let your skin breathe during high intensity activity.
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Icebreaker
Women's Merino 260 Tech High Rise Thermal Leggings
The Women's Merino 260 Tech High Rise Thermal Leggings from Icebreaker are an incredibly warm merino base layer for the coldest months of the year. They are also great for winter layering—ideal for skiing, snowshoeing and other cold-weather pursuits.
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Icebreaker
Men's Merino 200 Oasis Long Sleeve Crewe Thermal Top Ski Stripes
The Icebreaker Merino 200 Thermal Crewe sets the benchmark for baselayers. Featuring versatile merino jersey fabric for year-round layering performance across any activity. This top features a hand-drawn sketch design by Damon Watters.
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Icebreaker
Women's Merino 175 Everyday Long Sleeve Crewe Thermal Top
A classic, all-purpose base layer top made with soft and breathable 100% merino wool fabric, the Icebreaker 175 Everyday Long Sleeve Crewe is as versatile as it is comfortable.
Icebreaker
Women's Merino 175 Everyday Short Sleeve Crewe Thermal Top
A classic, all-purpose base layer T-shirt made with soft and breathable 100% merino wool fabric, the 175 Everyday Short Sleeve Crewe from Icebreaker is as versatile as it is comfortable.
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Icebreaker
Men's Merino 175 Everyday Long Sleeve Crewe Thermal Top
The Icebreaker Men's Merino 175 Everyday Long Sleeve is a classic, all-purpose base layer made with soft and breathable 100% merino wool fabric. This top is just a versatile as it is comfortable.
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Icebreaker
Women's Merino 260 Tech Long Sleeve Half Zip Thermal Top
The Women's Merino 260 Tech Long Sleeve Half Zip Thermal Top by Icebreaker is a warmer, mid-weight version of Icebreaker's best-selling Oasis, the 260 Tech Long sleeve (Half Zip) is a go-to piece for winter layering made with 100% merino wool.
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Icebreaker
Women's Merino 260 Tech Long Sleeve Crewe Thermal Top
Ideal top as a warmer base layer or as a midlayer. Great natural features such as anti-odour and and breathability make it prefect for winter adventures. Off shoulder seam gives you minimum chaffing when worn with a rucksack. The top also keeps you warm when it's cold and cool when it's hot, keeping you comfortable and ready for action.
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Icebreaker
Men's Merino 260 Tech Long Sleeve Half Zip Thermal Top
The Men's Merino 260 Tech Long Sleeve Half Zip Thermal Top by Icebreaker is a warmer, mid-weight version of the best-selling Oasis, the 260 Tech Long Sleeve Half Zip is a go-to piece for winter layering, made with 100% merino wool. This 260g Merino Wool base layer ideal for Winter sports as a mid layer or base layer or for mountaineering and even wearing down the pub.
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Icebreaker
Men's Merino 260 Tech Long Sleeve Crewe Thermal Top
The Tech top is Icebreakers heavyweight base layer designed for the colder months or expeditions. Great for the mountains in winter but also ideal as a mid layer through out the year. The Bodyfit gives it a fit that's closer and not so saggy, giving you more warmth when you're out and about. This heavyweight champion also has a dropped hem which gives you more coverage and move ability when it's tucked in for the cold. As standard for Icebreakers base layers it also has an off the shoulder seam making it perfect for carrying sacks.
Icebreaker
Women's Merino 260 Tech Thermal Leggings
The Tech 260 Thermal Leggings by Icebreaker are the midweight version of the Oasis Leggings. They're the perfect base layer for colder days on the mountain or on your local trails. They're 100% merino wool and have flatlocked seams, which make them super comfy, warm, breathable and naturally odor resistant. They're also gusseted which allows all you ladies to keep up with your funky moves on the slopes or at the crag mid-winter.
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Icebreaker
Men's Merino 260 Tech Thermal Leggings
The Men's Merino 260 Tech Thermal Leggings by Icebreaker are a midweight base layer bottom, perfect for skiing, winter hikes and cold weather layering. These leggings are a warmer version of Icebreaker's best-selling Oasis leggings, made with 100% merino wool.
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Icebreaker
Men's Merino 200 Oasis Long Sleeve Half Zip Thermal Top
The Oasis Long Sleeve Half Zip by Icebreaker has all the fantastic attributes as the Oasis Crewe, but with a half zip for extra ventilation and variety. The lightweight 200g Merino Wool makes this base layer great for a layering choice or as a stand alone piece. The zip neck gives you extra protection from the cooler elements, but allows for easy ventilation should the weather regulate.
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Icebreaker
Women's Merino 200 Oasis Long Sleeve Half Zip Thermal Top
The Women's Merino 200 Oasis Long Sleeve Half Zip Thermal Top by Icebreaker is a versatile 100% merino wool base layer top with a classic zip-neck design. This base layer top combines comfort with technical performance and the soft merino fibres will regulate your body temperature in all weather conditions whilst resisting odours.
Icebreaker
Women's Merino 200 Oasis Long Sleeve Crewe Thermal Top
The Women's Merino 200 Oasis Long Sleeve Crewe Thermal Top by Icebreaker is flattering base layer top, which is great for people who feel the cold and need a warm casual top. It's also perfect as a mid-weight base layer and its Bodyfit technology means it has a slightly more feminine cut and a bit more lycra in the fabric. Perfect to keep you warm, but still nice and breathable when it's warm.
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Icebreaker
Men's Merino 200 Oasis Long Sleeve Crewe Thermal Top
The Icebreaker Men's Merino 200 Oasis Long Sleeve Crewe Thermal Top's 200g weight means it is cool enough to be worn to a chilly work place, but still warm enough to head out on the slopes and have some fun. With Bodyfit technology, gone are the days of the saggy wool base layers, these tops really fit well, wash after wash keeping you snug after plenty of use. Not only does it fit well but also naturally breathes well, can be worn for biking, running, cycling, climbing and mountaineering.
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Icebreaker
Women's Merino 200 Oasis Thermal Leggings
The Icebreaker Women's Merino 200 Oasis Thermal Leggings are an excellent base layer for snow sports or autumn evening strolls. These comfortable, low-profile leggings are a must-have in your wardrobe for when the temperature begins to drop. They effectively regulate body temperature and are naturally odour-resistant, ensuring you stay fresh and comfortable no matter the adventure. Additionally, the flatlock stitching throughout provides chafe-free comfort.
Icebreaker
Men's Merino 200 Oasis Thermal Leggings
The Men's Merino 200 Oasis Thermal Leggings by Icebreaker are cool enough to be worn to a chilly work place but still warm enough to head out on the slopes and have some fun. With Bodyfit technology gone are the days of the saggy wool base layers, these leggings really fit well, wash after wash keeping you snug after plenty of use.
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Icebreaker
Men's Merino Anatomica Boxers
The Men's Merino Anatomica Boxers by icebreaker are classic style boxer briefs made with a stretchy slim fit and Icebreaker's own core-spun fabric. The Anatomica Boxers are supportive and comfortable for daily life and active pursuits.
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