What Is a 39Thirty Cap? A Fan’s Guide to Quakes Adjustable Hats
By Rancho Cucamonga Quakes Official Store | Published: 2026-10-28
Category: Buying Guides
Learn what a 39Thirty cap is, how it differs from a 59Fifty, and why it's a great adjustable hat choice for Rancho Cucamonga Quakes fans.
Quick Answer
The 39Thirty cap is a stretch fit hat that gives you the fitted look of a 59Fifty but with a more comfortable, flexible fit. It's ideal if you want an adjustable hat that doesn't use a snapback or strap.
Why Choose a 39Thirty Over a 59Fifty?
The 39Thirty is designed for fans who like the clean, structured look of a fitted cap but find the 59Fifty too rigid or hard to size. It stretches to fit your head, so you get a custom feel without needing to know your exact hat size. This makes it a great middle ground between a fully adjustable hat and a traditional fitted cap.
Who Is the 39Thirty Best For?
This cap works well for fans with head sizes that fall between standard fitted sizes, or for anyone who wants a cap that's easy to put on and take off without adjusting a strap. It's also a solid choice if you like the on-field look but want a more relaxed fit for everyday wear.
Frequently Asked Questions
- Is the 39Thirty an adjustable hat?
- Yes, but not in the traditional sense. It's a stretch fit cap that uses elastic material to conform to your head, so it adjusts automatically rather than using a snapback or strap.
- How do I know what size 39Thirty to buy?
- The 39Thirty comes in sizes like S/M and L/XL. Measure your head circumference just above your ears and compare to the size chart. If you're between sizes, size up for a looser fit or down for a snugger one. Check the size chart before ordering to ensure the best fit.
- Can I wear the 39Thirty for sports or active use?
- Yes, the stretch fit and breathable materials make it a good choice for active wear. It stays in place better than a snapback during movement.
Product Facts
- Rancho Cucamonga Quakes Cap- 39Thirty Home: This stretch fit 39Thirty is the perfect fitted look for those who do not like the fit of a 59Fifty. If you've struggled with the snug fit of a 59Fifty, the 39Thirty offers a similar style but with more give, making it more comfortable for all-day wear.

Rancho Cucamonga Quakes Cap- 39Thirty Home
