I've always liked these short-link parallelogram seatposts, but they have been almost impossible to source for well over a year now.
Suntour claim to have competely re-designed this post (looks the same to me
).....and guess what!...the price has nearly trebled. The last one I purchased cost £27.
Click on the link below
Seatposts

Suntour claim to have competely re-designed this post (looks the same to me
Click on the link below
Seatposts