Vintage Barbie Outdoor Life #1637 (1965)
 
 
Turquoise Short Sleeve Knit Top
Turquoise & White Checked Jacket
Turquoise & White Hounds-tooth Pants
White Duck Hat
White Tennis Shoes

The knit top has a back closure and the check jacket has patch front pockets.  The black and white cloth Barbie tag is in the jacket.  The top and slacks are untagged.

This vintage Barbie casual outdoors ensemble is hard to find, it was only made for one year.