
When you’re choosing your ultralight hiking rain jacket, think about its weight, how well it keeps you dry, how comfortably it lets you breathe, how long it stays reliable, how nicely it fits, and any cool extras it has.
Look for a high hydrostatic head (3000+ is great) for strong waterproofing.
If you make the wrong pick, you might end up with soggy memories, feeling uncomfortable, and the jacket might not feel right, affecting your whole hiking adventure.
But don’t worry, our guide is here to help you make the smartest choice.
Key Specs
Weight: 3.52 ounces (100 grams)
Waterproof Rating: 15,000 HH
Price: $$
PROS
✅ Ultralight
✅ Small pack size
CONS
❌ Only two colors available
Presenting the Raceshell ultralight hiking rain jacket by Inov8. Tailored for swift explorers, this 100g jacket provides unparalleled waterproofing through taped seams. Its breathable material ensures comfort during demanding hikes and races.
Boasting a waterproof rating of 15,000 HH, it adeptly manages torrential rains. We admire its lightweight sensation, waterproof seams, and effortless portability. For ultralight hikers in pursuit of top-tier performance, the Raceshell stands as the ultimate ultralight option.
Key Specs
Weight: 9.52 ounces (270 grams)
Waterproof Rating: 28,000 HH
Price: $$$
PROS
✅ Great waterproof rating
✅ Sizeable pockets
CONS
❌ None
Introducing the ultimate companion for your summer hikes – Haglöfs ultralight rain jacket. Crafted with PROOF 2.5 layer fabric, it fends off weather while staying breathable. Treated to repel dirt and water, it features zip pockets, a snug hood, and safety-enhancing details.
We love its lightweight feel, top-notch weather protection, and smart design. The zip pockets are handy, and the snug hood is perfect for sudden rain. With an athletic fit and reflective trims, it suits both trails and city walks. For ultralight hikers, this Haglöfs jacket is the perfect blend of performance and style.
Key Specs
Weight: 6.84 ounces (194 grams)
Waterproof Rating: 20,000 HH
Price: $$$
PROS
✅ Great waterproof rating
✅ Great adjustability
CONS
❌ Expensive
Embark on exceptional mountain hiking with the Mountain Equipment Firefly rain jacket. Crafted for rugged landscapes, this ultralight waterproof shell features remarkably breathable 3-layer GORE-TEX Active 2.0 fabric.
Its Active fit and safeguarding Mountain Hood establish it as a trustworthy, easily storable partner. We enthusiastically endorse its weightless touch, breathability, and functional chest pocket. If you’re an ultralight hiker searching for reliability and performance, the Firefly unquestionably stands as the ultimate all-around selection.
Key Specs
Weight: 8.29 ounces (235 grams)
Waterproof Rating: 20,000 HH
Price: $$$
PROS
✅ Great material
✅ Great pockets
CONS
❌ Hood is too large
The Patagonia Storm10 ultralight hiking windbreaker is a versatile companion designed to be easily stowed and quickly deployed, this 3-layer waterproof jacket is your go-to when the weather changes.
Its shell is crafted from lightweight recycled nylon, providing both waterproofing and breathability.
We find it compact and lightweight to carry, effectively repelling rain while maintaining comfort. Although we’re not fond of the large hood’s size, a simple solution is to wear a baseball cap to prevent obstruction. Overall, this quality jacket leaves a strong impression.
Key Specs
Weight: 3.88 ounces (110 grams)
Waterproof Rating: 15,000 HH
Price: $
PROS
✅ Affordable
✅ Comfortable
CONS
❌ No pockets
Introducing the Montane Minimus Nano Pull-On Waterproof Jacket – a must-have for ultralight hikers who prioritize weight and compactness. At a mere 110g, it’s the ultimate choice for those who embrace minimalist hiking.
Hikers appreciate its simplified design, tailored for mountain escapades. Engineered with pre-elasticated cuffs and adjustable hood, it ensures a snug fit without fuss. While the hood safeguards against rain, combining it with a cap can enhance protection. The half-length, two-way zipper grants ventilation flexibility.
Remember, this jacket is designed for swift use in emergencies, making it ideal for hikers aiming to lighten their load.
When it comes to selecting the right hiking rain jacket, there are a few important things to think about.
First and foremost, make sure the jacket fits you well. Keep in mind that it’s part of your layering system, and you might wear several layers underneath it, like a puffy jacket.
Ensure the jacket is long enough to cover your lower back and comes with a hood to keep you dry in the rain. Look for features like pit zips to provide ventilation, waterproof zippers, and the option to cinch up the bottom to keep water out.
The fabric of the jacket is crucial; there are various choices from basic materials to more advanced technical fabrics. Your decision should depend on the conditions you’ll be hiking in and your personal preferences.
Lastly, consider your budget and how often you go hiking. If you frequently hike in wet conditions, it might be worth investing in higher-end technical gear.
If you’re in need of rain pants, you can take a look at our guide here, where we’ve listed the TOP 5 lightest rain pants.