If you gonna learning in in the park I say buy something cheap and possibly used.
Here are some options from random legit sites.
Armada Pipe cleaners in 176.
Any of these Volkl skis would be a good call.
Line chronic. A little wider but sweet price. at 178 with rocker it would fit you perfect.
Hope this give you some Ideas. When winter rolls around or gets close you can snag pretty good deals for used gear on the sell trade forum. Really legit.