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Minimal weight, maximum breathability, ideal for fast movement in wet conditions
Mont Adventure Equipment says:
The Lightspeed is our ultralight shell pants, engineered for peak performance. Designed to excel in trail running, cross-country skiing and any wet-weather adventure. The Lightspeed is your ultimate companion to stash in your pack or running vest for when the weather turns.
Crafted with our innovative Hydronaute Ultra 3-layer fabric, these pants are totally waterproof, 100% windproof, and incredibly breathable, shielding you from the elements with unwavering reliability. Utilising our renowned Hydronaute technology in a minimalist, packable design, the Lightspeed pants ensure maximum protection without compromising on weight or performance.
Push your limits with confidence, knowing that the Lightspeed Pants have you covered.
Our Verdict
Mont Adventure Equipment is an Australian company known for making high-performance gear for demanding alpine conditions, with a focus on low weight, precise design, and reliable materials. The Lightspeed 3L Pants are a clear example of that design philosophy.
At 145g (Medium), these three-layer waterproof trousers offer excellent protection without limiting movement or overheating during high-output activity. The Hydronaute Ultra fabric delivers a hydrostatic head of 20,000mm and breathability rated at 48,000g/m²/24 h, which performs well in wet, humid environments. The longer inseam provides extra coverage for taller users or bush conditions.
Construction is sharp, with fully taped seams, articulated knees, and reinforced gussets contributing to durability and ease of movement. The elasticated waistband with silicone grip holds securely, and the lace hooks help keep the cuffs in place. Ankle cuffs are fixed with elastic rather than zips, which may suit some but limit venting options.
The Lightspeed 3L Pants maintain their position as a well-balanced option for those looking for waterproof, breathable legwear in a minimal and movement-friendly package.
- Reviewed by Ultralight Outdoor Gear
Features
- Fluorocarbon free DWR
- YKK #3 AquaGuard front zip with laminated under zip flap
- Unparalleled breathability for high-energy activity
- Reflective motif for safety on legs, fun fact it is morse code for MONT
- Anti-slip siliconised, elasticised waistband
- Elasticated ankle cuff
- Zip with Prym button closure for added protection
- Lace hook attachments to keep your pants on the shoe
- Articulated knees for ease of movement
- Reinforced gusset for added durability
- Fully seam sealed and sewn with hydrophobic Epic Thread
Specifications
- Small weighs: 141g
- Medium weighs: 145g
- Large weighs: 151g
- XLarge weighs: 157g
- Hydrostatic Head: 20,000mm
- Breathability: 48,000g/m2/24hours
- Regular Fit: A classic comfortable cut. Designed to fit over base and mid-layers without restricting movement.
Material & Construction
- Hydronaute Ultra 3 layer waterproof windproof breathable
- Zips: YKK AquaGuard
