No.1: Wear snowpants, ski pants, snowsuit, etc., winter gloves, hat, snow goggles, coat (of course), and boots.
No. 2: Dog gear: Gang lines, tug lines, neck lines, and dog harnesses (found in harness stores online and in towns).
Gang Line: The main rope that runs foward from the sled.
Tug Line: Line that connects dog's harness to the gang line.
Neck line: The line that dog's collar to gang line and between two collars of a double lead.