This is the jacket I am considering taking with me to run the northern section of the Spine Race, a 160 mile run over the Pennines in the depths of winter. This technical waterproof jacket is lightweight and very packable, yet has proven to be robust enough to keep out the elements. The key feature I like most about this jacket, is that it can be opened up to allow for rapid ventilation. The majority of the sides can be zipped open, right down to the waist. I have found this to be great for reducing overheating when running. It also offers good freedom of movement.
What It’s Best Suited To
This jacket is best suited to active pursuits where venting heat is important, including when mountain biking uphill, fast-packing or when running in the hills. The jacket is engineered to provide both flexibility and breathability, which means it is practical for a range of activities.
At 435g there are other much lighter weight jackets specifically for running. I would choose the Aspire II 3L jacket for longer events or more remote mountain runs, where I expect to be out in bad weather for longer periods and want more protection. It is top of my packing list for adventure racing next year.
Fit
The flexible material allows for excellent freedom of movement. There are three key adjustability points that you can change on the move. Firstly, the elastic drawcord hem keeps heat in and the elements out when you need it to. Secondly, the cuffs are velcro and can be tightened sufficiently around a small wrist. Then finally, the hood cinches in and stays in place when the wind is what the Mountain Weather Information Service like to call “buffeting”.
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Of note is the hood design, which has a small brim to protect against rainfall. It is not the most rigid brim, but it works. The hood fits well over a cycle helmet.
