A highly technical wind resistant jacket for climbing hiking and scrambling the super chockstonetrade excels above and below the treeline its durable enough to graze the rock face yet remarkebly breathable to prevent overheating with a precise active fit for enhanced mobility it can still layer over a fleece layer when the weather turns upf 50 for protection from harsh sunlight in thinner air details abrasion resistant air permeable incredibly light and stretchy double weave softs