The thermolite winter bibshort by endura is ideal for 3 season road riding mtb and cyclocross and can be teamed with legknee warmers for a practical versatile solution to the cold ideal for cold weather cycling thermolite uses hollow core fibre technology to create an insulating layer of warm air the result is a lightweight warm fabric with superior moisture vapour transport properties that doesnt get heavy even when wet high performance repel teflon fabric protector prevents fabric wet