Castelli Flanders Wind Proof Base Layer Long Sleeve

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  Flanders Wind Long sleeve Base Layer

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  Windstopper© windproof layer overlaid on our Flanders Wind base-layers

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  Multidenier 100% polyester 3D-structure rib-knit  main body for mechanical wicking and exceptional fit Perforated 100% polyester mesh under arms for additional cooling

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  Multidenier 100% polyester 4-way stretch sleeves  for great wicking and fit

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  4-needle flat-lock stitching lies flat for total comfort Mock turtle neck on long-sleeve model, crew neck on short-sleeve version

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  Flat finish bottom

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  Longer back stays tucked in