Patagonia use them so that zipps on multiple layers dont line up. So you get less wind sneaking through, and its a bit more comfy. Can e annoying on something stiff though. You get one extra long collar.
@Smallfurry started
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Patagonia use them so that zipps on multiple layers dont line up. So you get less wind sneaking through, and its a bit more comfy. Can e annoying on something stiff though. You get one extra long collar.