Perfect to pair with our riding gear, the layering options give you maximum comfort whatever your riding style. The mid layers are made to give you that extra warmth on those colder days and thisTec Layer Hybrid Monosuit is perfect to pair with the BC Kona 2.0 STX Monosuit. Ventilation & Temperature Management 100g Primaloft® Black Insulation Strategically placed elastic knit material and panels with insulation Weather Protection Ultralight water-repellent material