SILVINI Lightweight Beanie for Winter Cycling and All Other Outdoor Activities QuatroFLEX fabric - 85% polyester + 15% elastane Silvini was proved itself in the world market as HQ clothes with a lot of positive reviews. We are partner of professional cycling team with successful athletes like T.Paprstka or J. Nesvadba. AVERAU is ideal for cross-country skiing, hiking, running, cycling or other outdoor activities. Unique designed as both independent beanie and a skull cap liner to go underneath a helmet for MTB. The material is windproof and it wraps your top perfectly, like the best fitted skull headwear.