Features of the Sugoi Men's Firewall 180 Zap Tight Firewall 180 on the front of leg and Upper sides for thermal mobility and wind and water protection Zap panels for visibility paired with MidZero back and lower sides for thermal warmth and stretch Side zippered pocket with welded cord escape for secure storage 9 Inch locking ankle zippers Double lined front panel crotch for added warmth and wind protection