Colorful Cycling Supplex Cap UPF 40 Low Profile Short Brim - Foldable

In this review the UNDERCONTROL Colorful Cycling Supplex Cap is evaluated for riders and outdoor athletes who want a lightweight, packable hat that blocks sun and breathes well. The bottom line: this hat is most valuable for cyclists, runners, and hikers who need a low-profile short brim that keeps vision clear while offering UPF 40 protection and quick-dry performance. The review focuses on fabric, fit, and durability based on the hat's Supplex build, AeroCool and Dewspo linings, and quality WOOJIN plastic parts.

Key Features

• Supplex fabric: The nylon-based Supplex feels softer than typical nylon, sheds water and provides sun-blocking performance while keeping the cap lightweight and cool.
• UPF 40 protection: The material and construction reduce sun exposure for long rides or runs without adding bulk or heat.
• AeroCool lining: The HYOSUNG AeroCool yarn lining improves breathability and creates a small air layer that helps moisture move away from the head during higher exertion.
• Dewspo lining: The silver-colored Dewspo layer is water-repellent and durable so the interior stays consistent over time and keeps a refined urban look.
• Adjustable elastic band: The highly elastic band with a one-touch stopper allows quick size adjustment and helps the hat stay on during windy outdoor activity.
• Quality hardware: WOOJIN plastic strap finishes and stoppers provide low-defect, long-lasting fastening that suits repeated outdoor use.

Who It's For

The cap is aimed at cyclists and runners who prefer a short brim that does not obstruct the field of vision, plus hikers and walkers who want a foldable, quick-dry option for variable weather. It also suits commuters and casual wearers who like a sporty, urban silver-lined interior and vivid color options.

Those who need heavy insulation, a full visor for extreme sun coverage, or integrated electronics should look elsewhere; this hat is optimized for breathability, low profile fit, and light sun protection rather than cold-weather warmth or accessory integration.

Pros & Cons

Pros

• Lightweight Supplex fabric balances a cotton-like touch with nylon durability and water repellency.
• Good breathability from AeroCool lining keeps airflow while active.
• Adjustable elastic band with one-touch stopper secures the cap in wind without discomfort.
• Durable Dewspo lining and WOOJIN plastic parts increase long-term reliability.

Cons

• The short brim provides less shade than a full visor, so it may not suit users seeking maximum sun blockage.

Specifications

Product name	Colorful Cycling Supplex Cap URH C-001
Fabric	Supplex (nylon-based) with Teflon finish
Lining	AeroCool breathable yarn and Dewspo silver water-repellent lining
Sun protection	UPF 40
Fit system	Elastic band with one-touch stopper (adjustable)
Hardware	WOOJIN Plastic strap finisher and stopper

Our Verdict

The UNDERCONTROL Supplex cap is a smart choice for cyclists, runners, and outdoor commuters who value breathability, light weight, and a low-profile short brim that preserves peripheral vision. Its combination of Supplex fabric, AeroCool and Dewspo linings, and reliable WOOJIN parts makes it good value for active users who need a packable, quick-dry hat with modest sun protection.

Frequently Asked Questions

Is this cap suitable for hot-weather use?
Yes. The Supplex fabric plus AeroCool lining improves breathability and the hat is designed to remain cool and quick-dry in warm conditions.

Will it stay on during cycling in wind?
The elastic band with a one-touch stopper secures the fit and reduces the chance of the cap coming off in breezy conditions.

Can the cap be folded and packed?
Yes. The low-profile design and Supplex fabric make it foldable and easy to stash in a pocket or pack without losing shape.