Decathlon Arpenaz 100 Rain Jacket Review: Best Budget Hiking Shell

Introduction

Decathlon’s Arpenaz 100 Rain Jacket has become legendary among budget-conscious hikers. At just ¥79 (~$11) on JD.com, it’s one of the cheapest waterproof jackets available. With 2,000mm hydrostatic head, fully taped seams, and a packable design, it’s the quintessential budget hiking shell.

Specifications

Item	Spec
Material	100% polyester + PU coating
Waterproof Rating	2,000mm (hydrostatic head)
Seams	Fully taped
Hood	Adjustable, non-removable
Pockets	2 zippered hand pockets
Ventilation	No pit zips
Weight	~280g (size L)
Packability	Packs into its own pocket
Colors	6 colors
Sizes	S-3XL
Price	¥79 (~$11)

Performance

The 2,000mm rating handles light to moderate rain. Fully taped seams prevent water entry through stitching. The hood fits over a baseball cap and the adjustable drawcord cinches down for windy conditions. Breathability is limited — expect condensation build-up during active hiking.

JD review: “Perfect for light rain hikes. It’s not breathable, so you’ll sweat on ascents, but at ¥79 you can’t complain. Packs down to the size of a water bottle.” ★4.2 💡 Great emergency shell for its price.

Pros & Cons

Pros	Cons
Incredible value at $11	Poor breathability
Fully taped seams	No pit zips
Packs into pocket	Not suitable for heavy rain
Lightweight (280g)	Hood could be more adjustable

Verdict

Rating: 4.2/5 — The Decathlon Arpenaz 100 is the ultimate budget rain jacket. At $11, it’s not a replacement for a Gore-Tex shell, but it’s perfect as an emergency jacket, a travel companion, or a spring/fall hiking shell. Keep one in your daypack always.

FAQ

Q: Is it truly waterproof? A: For light to moderate rain, yes. The 2,000mm rating with taped seams works well for typical 1-2 hour rain.

Q: Can I wear it for winter hiking? A: As a shell over layers, yes. But the lack of ventilation means you’ll need to unzip frequently during activity.

Q: How does it compare to the Columbia Watertight II? A: The Columbia is more breathable and has better rain protection, but costs 5x more. The Arpenaz 100 is better for the price.