Castelli Cafe on the Castelli Nanoflex Bibtights; You would think Castelli made these just for the UK. Nanoflex fabric is warm & stretchy just like thermoflex fabric but unlike any other Thermal or Roubaix style fabric nanoflex is water resistant making those early spring & late autumn rides so much more comfortable. The simple elegant design minimizes seams for greater water resistance. but the essentials are all there Giro 3 ankle grippers Camlock zippers Mesh bib straps & Kiss 3 seatpad complete the spec Nano Flex fabric provides outstanding warmth & stretch with added water resistance Minimum seams for maximum water resistance Kiss 3 pad for all day comfort Mesh bib straps for breathability Screen printed Castelli graphics on both legs Giro 3 leg grippers lie flay & seal over shoe cover YKK camlock ankle zippers with reflective tape Weight 298g &40;L&41; Size range S-3XL Comfort range 6-18c