Custom men's knee-length beach swim trunk

1. Material: Use water-resistant, quick-drying fabrics like nylon or polyester.
2. Design: A loose fit with an elastic waistband or drawstring for comfort.
3. Functionality: Include mesh lining for quick drainage and added comfort.
4. Customization: Offer various colors, patterns, and logo options for personalization.

These trunks should be stylish and functional, ideal for swimming and beach activities.