Winter is where you lay the foundation for summer fitness and with the MILLE GT ULTRAZ Winter Bib Tights you've no excuses when it comes to getting those base miles racked up. Assos' most protective regularFit bib-tights, they feature a double-layer construction and a membrane-backed front panel to give you outstanding levels of insulation, weather protection and breathability.  TwinDeck Protection Insulation and weather-protection start with the highly insulating brushed-back RX Heavy matched to an outer layer of ultrathin 2-layer softshell, with PU bonded membrane. This TwinDeck construction provides incredible warmth as well as a 100% windproof barrier and excellent water resistance. This particular lay-up is used across the leg and glute panels to fend off cold temperatures, rain, road spray and even snow.  And Breathe Being warm is all well and good but cycling can soon cause a sweat. Don't deal with this excess moisture and you'll very quickly start to feel uncomfortable and chilly. To deal with this Assos deploy their highly breathable RX Light over the back of the legs, letting sweat easily escape before discomfort sets in. This also has the added benefit of being highly flexible, giving you smooth and unrestricted pedalling. Speaking of flexibility, the MILLE GT ULTRAZ are tailored with Assos' regularFit. This offers a lightly compressive fit but one you'll find is easy to move about in. Every panel is shaped to flex and follow the body through the pedal stroke, offering the ultimate in flexibility and comfort.  MILLE GT EVO insert On the saddle, you'll enjoy the support and comfort of the MILLE GT EVO seat pad. Reversed seams offer unrivalled comfort when pedalling while 8mm Memory foam provides superb vibration damping and support across your sit bones.  The patented 3-layer foam design, Assos call it 3D waffle, increases breathability and eliminates excess weight too. And lastly, the goldenGate technology gives you a pad that moves with you rather than acting against you.