Montane Tenacity Nano Jacket

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Built for speed and movement in the mountains, it’s lightweight, stretchy, with a refined cut, made for days on the go.

Montane says: 

Experience unparalleled freedom of movement with the Montane men’s Tenacity Nano, our lightest ever softshell jacket. 

Built from lightweight double weave GRANITE Stretch Nano softshell, the Tenacity Nano offers exceptional 4-way stretch and recovery, allowing for effortless movement on challenging climbs.

Equipped with a non-fluorocarbon DWR treatment, it provides reliable protection from light showers. The minimalist design, featuring offset seam intersections and a streamlined construction, minimises bulk and maximises comfort.

Finished with a bonded zip placket and harness-compatible hand pockets, this super lightweight softshell jacket is adaptable for long days in the mountains.

Our Verdict

The Tenacity Nano Jacket is Montane’s lightest softshell to date. At 241g for a Medium, it’s a strong option for fast hiking, scrambling, or transitional conditions where breathability matters most. The GRANITE Stretch Nano fabric is soft against the skin, moves well with you, and sheds light wind and drizzle thanks to its PFC-free DWR. The smooth face resists abrasion better than expected for such a light piece, and it dries quickly after exertion or passing showers.

Without the hood, it layers more cleanly under a shell or over a baselayer, and the clean collar design keeps bulk down. The cut is trim with a slightly higher hem, which is ideal under a hipbelt or harness but may sit short if you’re after fuller coverage. The bonded zip placket and minimalist seams keep weight and bulk low, and the hand pockets are placed well for use with a pack.

– Reviewed by Ultralight Outdoor Gear

In-depth Reviews:

• Montane Tenacity Nano Hoodie Review – ”I’ve encountered multiple weather conditions from blazing sun, blustering winds, and the traditional British staple. On and off showers.”

Features

• Built with premium construction techniques that are low profile to maximise comfort, performance, and minimise weight
• Under helmet hood with bound face aperture
• Adjustable hem allows for dialled in protection and ventilation
• Lightweight no.3 YKK centre front zip reduces weight
• Two harness and pack compatible YKK zipped hand pockets
• OFFSET seam intersections improve construction, durability and comfort
• Minimal seams provide maximum uninhibited comfort and performance allowing the jacket to stretch and move freely
• Bonded front zip placket with integrated chin guard saves weight, improves comfort and packability

Specifications

• XSmall Weighs: 228g
• Small Weighs: 231g
• Medium Weighs: 241g
• Large Weighs: 250g
• XLarge Weighs: 258g
• XXLarge Weighs: 272g
• Back Length: 74cm (M)
• Trim Fit

Material & Construction

• GRANITE STRETCH Nano Super lightweight double weave softshell with abrasion resistance 20,000+, excellent 4 way stretch and recovery, and a PFC Free (C0) DWR.

Help & advice:

• About Montane
• Recycled Content in Outdoor Gear.
• Why is ‘PFC Free’ Important?
• The Time Savers Guide to PFC Free