Filled with lightweight insulation, the Nike AeroLoft Jacket helps you stay warm during chilly rounds. Its knit fabric is soft and quiet, an update that reduces noise while you' re on the course. Warm and Breathable Nike AeroLoft technology integrates warmth with ventilation. Updated insulation is more lightweight through the sleeves, adding extra warmth without impeding your mobility. Soft and Quiet Knit fabric is soft, quiet and stretchy to help minimise noise and maximise comfort throughout your round.