Castelli Flanders Base Layer Long Sleeve

BLUSTERY WEATHER NO PROBLEM This product was made for the conditions of Flanders in February. Or basically any month between September and May. High-loft fleece on the inside provides warmth to spare, and you'll love the softness on your skin with the excellent moisture management of this 100% multi-denier fabric. It's stretchy for a perfect fit, and the flat-lock seams add an extra touch of quality.

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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