Base Layer

SEKI Verified independent store

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The foundation of a great kit starts here. The SEKI short sleeve base layer sits close to the skin — worn under your jersey and beneath your bib straps — wicking moisture away from your body before it ever reaches your outer layer. Made with premium Italian warp fabric and flat-lock seams that won't dig in on long efforts. A reflective chest logo adds low-light visibility when you need it most. Simple, purposeful, and easy to forget you're wearing it — which is exactly the point. Fabric: 86% polyester / 14% elastane. Show more