Which WISE protection shell should I choose ?
WISE Premium Ultra Running Shells: choose the Protection That Suits Your Adventures
Are you preparing for your next mountain adventure and looking for the perfect trail running jacket? At WISE, a premium brand dedicated to demanding trail runners, we've designed 4 technical jackets to adapt to all conditions, from summer runs to ultra-high-altitude challenges.
Thermalshell 112 (Sigmashell) – The Next Generation Trail Windbreaker
Ultra-stretch (60%), silent, and extremely breathable, the Thermalshell 112 pushes the boundaries of traditional windbreakers. Perfect for intense efforts and long runs in changing weather, it offers total freedom of movement without compromising on protection.
➡️ Ideal for: fast training runs, technical races, unpredictable weather
Link to the Thermalshell 112
Thermalshell 222 (Nanoshell) – The warm and compact jacket for ultra-trail running
With a merino wool interior and a polyamide exterior, the Thermalshell 222 combines warmth, breathability, and wind resistance in an ultra-lightweight and packable jacket. Designed as a high-performance thermal mid-layer, it can be taken anywhere, even on the most extreme races.
➡️ Ideal for: ultra-trail running, cool conditions, technical mid-layer
Link to the Thermalshell 222
Thermalshell 333 (Thermal shell) – Thermal expertise for cold conditions
Designed for running between -10°C and 10°C, this technical jacket combines targeted merino wool insulation with strategically placed windproof panels. Perfect for mountain trekking, it offers warmth and functionality with its large front pockets for a headlamp, gloves, or snacks.
➡️ Ideal for: winter trail running, long runs, bivouacs, multi-day trips
Link to the [Thermalshell 333
](https://wiseultrarunning.com/collections/thermalshells/products/thermal-shell)
Rainshell 253 (Blackshell) – The ultimate trail waterproof jacket for extreme conditions
Ultra-lightweight, breathable, and completely waterproof, the Rainshell 253 is designed to tackle rain, wind, and the most challenging terrain. A highly technical protective jacket for trail runners who go far, for long periods, and in all weather conditions.
➡️ Ideal for: ultra-trail running in the mountains, difficult weather, mandatory gear
Link to the Rainshell 253
Which trail running shell should you choose?
Whether you're preparing for an ultra-trail, a long mountain run, or a self-supported adventure, WISE jackets are designed to meet the demands of the terrain and the runner. Performance, lightness, breathability, and technical features: a solution for every condition.
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Updated on: 30/04/2026