Patagonia - M's Hydropeak Volley Shorts - 16 in.

These lightweight, quick-drying surf trunks are built from 86% recycled polyester/14% spandex with four-way stretch and feature side pockets, a zippered back pocket, and an elasticized waistband that is easy to pull on. With a 16in outseam that sits delicately above the knees, the Hydropeak Volley Shorts have old school flair with a modern twang. Made in a Fair Trade Certified factory.
Lightweight and quick-drying 4.8-oz 86% recycled polyester/14% spandex with four-way stretch and a durable water repellent (DWR) finish made without intentionally added PFAS
Elasticized waistband is easy to pull on
A textured drawcord at the waist helps to keep the knot secured and your trunks on in heavier surf
Two side pockets in front, and one zippered back-right welt pocket with a key loop; all with mesh pocket bags
16in outseam