Ultralite Trouser

The Mac in a Sac Ultralite Jacket is the ultimate running companion for unpredictable weather, offering a lightweight, packable, and stretchable design that easily fits into its own pocket. With a highly waterproof (8,000 mm) and breathable (16,000 mm) 2.5-layer construction, fully taped seams, and windproof fabric, it keeps you dry and comfortable in any conditions. The adjustable hood with a wire peak, reflective detailing for visibility, and secure zipped pockets add practicality, while the PFC & PFOA-free materials make it an eco-friendly choice for active adventurers.

The OMM Aether Jacket is the ultimate in lightweight durability, designed to tackle the toughest conditions, from October’s OMM race to alpine peak enchainments. Crafted with industry-leading Dyneema technology, it combines mountaineering-grade strength with exceptional breathability and waterproofing, all in a package weighing under 230g. Built for runners who demand protection without compromise, it surpasses even the acclaimed Kamleika in innovation and performance.

The OMM Ltd Halo Pants are ultra-lightweight, breathable waterproof trousers designed for athletes who need high performance in unpredictable weather. These packable overtrousers fold down to the size of a tennis ball, making them easy to carry without adding weight to your pack. Constructed with a 2-layer waterproof fabric and fully taped seams, the Halo Pants offer outstanding protection with a hydrostatic head of 10,000mm. Weighing just 80g and fully race compliant, they combine with the Halo Smock to create a full suit weighing only 175g, providing reliable performance when you need it most.

The OMM Ltd Halo Smock is a highly portable and airy waterproof smock that compresses to the dimensions of a tennis ball. Specifically designed for mixed weather conditions, it's crafted with slender and fully sealed seams in a two-layer waterproof material. The smock boasts a minimalist style with a half-length zipper, elastic closures on the hood and cuffs, as well as an adaptable extended tail to prevent it from riding up when worn under a backpack or during demanding activities like scrambling.

The OMM Ltd Halo+ Jacket is an ultra-lightweight waterproof mountain jacket that packs down to the size of a tennis ball. Weighing in at just 130g, the Halo+ Jacket is suited for use in mixed weather conditions where your shell jacket may be carried as much as it is worn and although it is lightweight, it's still a capable mountain shell with fully taped seams. There's also two zipped hand pockets that add flexibility to stash essentials on-the-move.

The OMM Ltd Kamleika Jacket protects from wind and rain while stretching to give freedom of movement and so aiding athletic performance. It's highly breathable lightweight and now even more durable in a new Nylon face fabric. Kamleika is the choice for people who have recognised that they may have to wear a waterproof all day and yet still head for the fells anyway.

The OMM Kamleika Pants are stretchy and waterproof running trousers made with durable Nylon. Over trousers are a vital piece of weather protection when running in the mountains, and the Kamleika pants are sure to take on the worst of it. Made with hard-wearing, 4-way stretch Nylon, they offer great levels of breathability and have fully taped seams. The Kamleika pants will move with you as you run, whilst the 37.5 fabric technology will help maintain a steady body temperature inside, these are the ultimate shell pant for running in the mountains.

The OMM Kamleika Shorts are a stretchy waterproof running short that ensure water is carried past the bottom of your jacket and away from key areas where moisture and increased friction is not wanted. OMM's unique super stretch fabric and stretch seams allow for excellent freedom of movement, so even when it's not raining they're a sensible option for unpredictable weather and/or windy runs.