UPF Ratings & Brim Coverage Explained: How Wombat Hats Protect You From the Aussie Sun

When you’re spending long days outdoors—whether you’re hiking, working, or exploring—the right hat isn’t just about style. It’s an essential layer of protection. At Wombat, our hats are designed to keep you comfortable while shielding you from the sun’s harsh UV rays. Two features matter most: UPF rating and brim coverage.

Below, we break down what these terms actually mean and how they relate specifically to Wombat-style outdoor hats.

What Is UPF and Why Does It Matter?

UPF (Ultraviolet Protection Factor) measures how effectively a fabric blocks ultraviolet radiation.
Think of it as the fabric equivalent of sunscreen SPF—but instead of being applied to your skin, it’s woven right into your gear.

Understanding the Numbers

• UPF 15–24 – Good protection

• UPF 25–39 – Very good protection

• UPF 40–50+ – Excellent protection (the level recommended for serious sun exposure)

A UPF 50 hat allows only 1/50th of UV radiation to pass through—roughly 2%.
A UPF 50+ fabric blocks at least 98% of UV rays.

Why Wombat Hats Often Have Naturally High UPF

Many Wombat designs use:

• Thick canvas

• Oiled or waxed cotton

• Premium leather

These materials have naturally tight weaves and dense structures, which provide excellent UV protection even before additional treatments. While not every hat includes a formal UPF certification, the construction itself delivers strong real-world sun defense.

Brim Coverage: Your First Line of Shade

While UPF tells you how well the fabric blocks UV, the brim determines how much of your head and face are physically shaded. This is where hat shape makes a huge difference.

Brim Size & What It Covers

• Under 2.5” (6 cm)
  Minimal shade—mostly eyes and upper face.

• Around 3” (7.5 cm)
  Good everyday protection for forehead, eyes, and nose.

• 3.5–4” (9–10 cm)
  Full face coverage + partial ear protection.

• 4.5–5” (11–12 cm)
  Face, ears, and part of the neck—ideal for intense sun environments.

How This Applies to Wombat Hats

Most outback-style Wombat hats feature 3–4″ brims, striking a balance between:

• Strong face protection

• Good ventilation

• Comfortable weight

• Classic rugged styling

Some models have downturned brims, which naturally improve shade on the cheeks and ears. Others feature snap-up sides—a great look, but keep in mind that the snapped side will offer slightly less sun coverage.

UPF + Brim = Complete Sun Protection

The most effective sun hat uses both features together:

• UPF-rated fabric stops UV from penetrating the material.

• A wide, well-shaped brim blocks direct sunlight, reducing glare and burn risk.

In practice:

• A hat with UPF 50 fabric but a very small brim won’t give full protection.

• A hat with a wide brim but thin or loosely woven fabric won’t block all UV.

Wombat hats combine both—dense materials and well-proportioned brims—so you get all-day comfort and dependable protection.

Choosing the Right Wombat Hat for Your Needs

Here’s a quick guide:

• Everyday outdoor use → 3–3.5″ brim

• High UV environments (beach, outback, farm work) → 3.5–4″ brim or downturned styles

• Maximum coverage → 4″+ brim with a dark, dense fabric

If you’re unsure which brim style suits your activities or shape preference, we’re happy to guide you. For sizing and fitting info see our Size Guide