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Don't stop when the cold hits—it can be great for your run, as long as you take control of your warmth with the ultralight insulation and 4-way stretch of the men's REI Co-op Swiftland half-zip top.

REI Swiftland ½ Zip Run Pullover Review - The Trek

REI Swiftland ½ Zip Run Pullover Review - The Trek

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Hit the trail even as temps dip in the men's REI Co-op Swiftland Cold-Weather Running Jacket. Insulated ripstop nylon pairs with strategically placed,

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REI Swiftland Half-Zip Pullover Review

REI Co-op Swiftland Half-Zip Running Pullover - Men's

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