There's a waffle texture, fleecy print on the inside front that traps air close to your skin, while the seat and back of the legs are made from warm but stretchy Thermoflex fleece. The two materials combined make these tights Castelli's warmest option for below freezing conditions.The Polare 4s further include mesh bib straps that don't hold moisture, reflective stripes above the knee at the front and below the knee at the back, for visibility, and ankle zips for easy on-off.They're built around Castelli's soft and supportive, multi-purpose seatpad, making these regular fit tights a great choice for any long training or group ride, where comfort in freezing conditions is your top priority.Key Features:Super warm, protective and supportive bib tights for your coldest ridesWith a front panel made from Polartec® AirCoreTM materialSeat and back of legs made from Thermoflex fleeceResistant to spray, windproof at the frontWith mesh bib straps that won't hold moistureFeature high-vis reflecti