On Running Switch Jacket - Men's hiking The 4 Degree elite fit

The 4 Degree elite fit system locks the sock in place so there's no bunching

Garment-washed Crusher cotton means it's soft and broken-in from day one

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and light trail days without changing clothes

On Running Switch Jacket - Men's hiking The 4 Degree elite fitBuilt for runners who start cold and finish warm, the Switch Jacket is our pick for unpredictable Southern mornings. Flip it inside out and you've got a lightly insulated layer on one side and a wind resistant ripstop shell on the other two jackets in one. Reflective details and thumb loops make it just as practical on the road as it is post run. Fully reversible construction gives you a lightly insulated quilted side and a wind resistant ripstop