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Summit Casaval LT Vest - Women's
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Summit Casaval LT Vest delivers breathable core warmth for alpine layering systems
What Our Gearhead® Experts Are Saying:
"I reach for the Summit Casaval LT Vest on high-output days when I want just enough warmth without overheating. The VENTRIX insulation really breathes, and the slim fit layers easily under a shell or over a baselayer without bunching. It’s lightweight but surprisingly capable for early starts and fast climbs."
Whether we’re moving fast on a frosty alpine approach or layering up for a windy summit transition, the Summit Casaval LT Vest from The North Face is the minimalist insulation piece we trust to keep our core warm without sacrificing breathability. As part of the Summit Series™, it's engineered for high-exertion mountain travel where performance and efficiency matter most.
The vest’s VENTRIX™ stretch insulation adapts to our movement, offering dynamic venting as we hike, skin, or scramble. FlashDry™ technology enhances moisture management, while non-insulated side panels stretch with us to support unrestricted motion. The low-profile design, chest zip pocket, and water-resistant face fabric round out a vest built for variable alpine conditions. Ideal for layering under a shell or over a base on chilly starts or breezy ridgelines, the Casaval LT adds focused warmth without extra weight.
Details
- Lightweight synthetic insulated vest for alpine layering
- VENTRIX™ insulation offers warmth with active venting during movement
- Breathable FlashDry™ fabric enhances moisture management
- Slim fit layers comfortably under shells or packs
- Stretch-woven side panels improve mobility and airflow
- Water-resistant center zip and chest pocket for secure essentials
- Flat front hem with elastic back for a low-profile fit
- Built with recycled and non-PFC DWR materials for sustainable performance
- Item #TNFZEJ3
- Responsible Collection
- Recycled/Repurposed
- Material
- 40D 88% nylon, 12% elastane, FLASHDRY treatment, PFC-free DWR finish
- Insulation
- 25g VENTRIX (85% recycled polyester, 15% polyester)
- Fit
- slim
- Length
- hip
- Center Back Length
- 24.75in
- Pockets
- 1 zippered chest
- Manufacturer Warranty
- limited lifetime
- Activity
- hike, climb, run, ski, snowboard, casual

Shaping the Future of Human/Nature
Since 1966, The North Face has been dedicated to pushing the limits of exploration. What began in San Francisco as a small mountaineering shop has grown into a global brand, known for innovative gear, sustainable practices, and a deep commitment to the outdoors. Guided by the belief that exploration is our oxygen, The North Face empowers athletes, adventurers, and communities worldwide to go beyond the map. Through groundbreaking design and a higher calling to protect the planet, the brand continues to inspire and equip every journey.