Ultralite Jacket

The Mac in a Sac Ultralite Jacket for Women 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 Mac in a Sac Ultralite Trousers are the ultimate choice for trail runners and outdoor enthusiasts seeking lightweight, waterproof performance without compromise. Made from ultra-light, flexible Vaporlite fabric (90% Polyester, 10% Spandex), these trousers provide exceptional freedom of movement and adapt effortlessly to changing conditions. With a waterproof rating of 8,000 mm, breathability of 16,000 gsm, and windproof construction, they keep you dry and comfortable on any trail. Fully taped seams, articulated knees, and reflective detailing add to their durability and functionality, making them perfect for fast-paced adventures.

The Mac in a Sac Ultralite Trousers (ladies) are the ultimate choice for trail runners and outdoor enthusiasts seeking lightweight, waterproof performance without compromise. Made from ultra-light, flexible Vaporlite fabric (90% Polyester, 10% Spandex), these trousers provide exceptional freedom of movement and adapt effortlessly to changing conditions. With a waterproof rating of 8,000 mm, breathability of 16,000 gsm, and windproof construction, they keep you dry and comfortable on any trail. Fully taped seams, articulated knees, and reflective detailing add to their durability and functionality, making them perfect for fast-paced adventures.

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+ 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 Ltd Kamleika Smock is a lightweight, waterproof, and breathable running shell designed for mountain athletes tackling tough conditions. Its 4-way stretch fabric moves with you like a softshell while delivering full waterproof protection, now with a PFAS-free membrane and PFC-free DWR for a lower environmental impact. Built for performance and comfort, it features an adjustable wired hood, extended cuffs with thumb slots, a dynamic droptail, a YKK AquaGuard half-zip, and a watch window. Now in its 6th generation, the Kamleika Smock offers exceptional mobility, durability, and weather protection - a trusted choice for serious trail runners.