Montane

At Up and Under in Cardiff, we proudly stock Montane clothing and equipment – a brand trusted by mountaineers, endurance athletes, and professionals who operate in the toughest environments on earth. For over 25 years, Montane has pioneered lightweight, breathable, and high-performance gear designed to excel in extreme conditions, from fast-paced mountain pursuits to long-distance expeditions.
Driven by real-world testing with explorers and rescue teams, Montane partners with leading fabric innovators like Pertex and GORE-TEX to engineer durable, protective, and highly functional equipment. With a focus on simplicity and performance, their designs deliver the perfect balance of reliability and style, making Montane a trusted companion for those who move further and faster in the outdoors.
Montane Women's Anti-Freeze Hooded Down Jacket
The Montane Women’s Anti-Freeze Hooded Down Jacket is a lightweight and packable insulated layer for cold-weather adventures. Filled with 140g of 750+ fill HyperDRY™ water-resistant down, it stays warm even in damp conditions. The recycled Pertex® Quantum Eco outer is windproof, water-repellent, and durable, while features like an adjustable hood, secure pockets, and a cinch-able hem lock in warmth. Ethically made with recycled materials and RDS-certified down for sustainable performance.
Montane Men's Phase XPD Waterproof Jacket
The Montane Men's Phase XPD Waterproof is the ultimate jacket for expeditions and winter mountaineering, as well as alpine climbing missions. It offers a full set of technical features that enable you to navigate difficult environments with confidence. The Phase XPD has been built with a Gore-Tex membrane to optimise durability and breathability.
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Montane Men's Protium Fleece Pull-On
The Montane Men’s Protium Fleece Pull-On is a lightweight, breathable mid-layer made from over 90% recycled materials. Featuring Thermo Grid Fleece for efficient warmth and moisture control, it’s perfect for active pursuits in changing conditions. A high collar, recycled YKK Natulon® zip, and stretchy fabrics ensure comfort and mobility on the move. Designed for year-round versatility, it works as a mid-layer in cold weather or an outer layer in milder climates.
Montane Men's Dart Zip Neck T-Shirt
The Montane Men's Dart Zip Neck T-Shirt is a classic, all-season, all-mountain technical baselayer. The 100% recycled APEX ECO fabric perfectly balances warmth, wicking and breathability and is finished with POLYGIENE® permanent odour control for multi-day freshness.
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Montane Men's Dart Long Sleeve T-Shirt
The Montane Men’s Dart Long Sleeve T-Shirt is a lightweight, technical base layer made from 100% recycled Apex Eco polyester. It offers excellent moisture-wicking, quick-drying performance, and Polygiene® odour control for multi-day freshness. With a tailored fit, breathable fabric, and low-profile seams, it delivers comfort for year-round mountain use. Ideal for hiking, climbing, or fast-paced adventures.
Montane Men's Lite-Speed Trail Pull-On
The Montane Men's Lite-Speed Trail Pull-On is a packable and 100% recycled windproof jacket that allows you to move fast and light, whether you're trail running, climbing or hiking. It has been especially engineered for people who require lightweight kit that doesn’t compromise on their performance or required features. The Lite-Speed Trail Pull-On is one of the lightest wind shirts in its class and can live almost unnoticed in your pack or pocket, providing a fast and efficient barrier against wind chill in a flash on trail runs, climbs and hikes.
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Montane Extreme Smock
The Montane Extreme Smock is designed for cold, wet, and demanding mountain environments. Featuring a windproof PERTEX® QUANTUM outer and warm deep pile lining, it delivers reliable protection during long days in harsh conditions. The directional fabric system helps keep moisture moving away from the body. Ideal for mountaineering and expedition use where performance cannot be compromised.