La Sportiva Pocketshell Jacket Men's Mountain Red-Night Sky

• Compresses small, so it fits in a vest or waist pack without fuss.
• Hood moves with your head, so you keep your vision on technical ground.
• Underarm ventilation helps you shed heat on climbs.
• Mountain Red/Night Sky is easy to spot on a grey ridge.

• Weight: 193 g
• Construction: 2.5-layer, recycled materials
• Waterproof rating: 20,000 mm
• Breathability: 15,000 g/m2/24h
• Ventilation: Underarm vents
• Best use: Trail running and mountain races

• Ultra and skyrunning races with mandatory kit lists
• Mountain runs where the weather can change quickly
• Runners who want a shell that rides in a vest

Less suited to: Long, sustained heavy rain where you want a roomier or more robust jacket. For that, look at Jackets.

Weather in the Southern Alps can swing quickly, and a shell you will actually carry beats a heavier one left at home. The Pocketshell is light, packs small and comes from a brand that builds for mountain running.