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La Montana Bottom - Men's
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Push past the treeline and stay warm in the La Montana Bottom
What Our Gearhead® Experts Are Saying:
"I wore these on a high summit attempt where the wind chill dropped brutally fast above treeline. The brushed fleece kept my legs warm the entire climb, and I never once felt the cold creep through."
Above treeline, where the wind never really stops and the cold sinks in fast, the La Montana Bottom from Hot Chillys earns its reputation as the warmest layer in the pack. Brushed micro denier polyester fleece traps heat without adding bulk, built to sit close to the body under a shell for a high summit push or a long day of backcountry skiing.
Moisture-transfer fibers manage sweat as exertion climbs, while a traditional fly and two-tone microfiber waistband add comfort details that hold up through repeated wear at altitude. This is the base layer built for when the forecast turns extreme, and warmth is non-negotiable.
Details
- Heavyweight fleece base layer for extreme cold conditions
- Brushed polyester fleece traps heat without adding bulk
- Moisture transfer fibers manage sweat during high exertion
- UPF 40 fabric protects skin at high altitude
- Traditional fly construction adds practical, everyday function
- Two tone waistband with plush back adds lasting comfort
- Item #HTCB03U
- Material
- [face fabric] 100% polyester, [active zones] 89% polyester, 11% spandex
- Insulation Weight
- heavyweight
- Fit
- slim
- Style
- tights
- Anti-Odor
- yes
- UPF Rating
- 40
- Activity
- ski, snowboard, hike, run
- Manufacturer Warranty
- limited 1 year
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Frequently Asked Questions
How warm is the Hot Chillys La Montana Bottom for skiing and other cold-weather activities?
The La Montaña fleece is heavyweight and made from 100% polyester brushed micro-denier fleece, making it suited to cold-weather layering beneath shell pants. It may feel too warm for high-output activity in mild conditions.What fabric and stretch construction does the Hot Chillys La Montana Bottom use?
The main La Montaña fleece is 100% polyester, with Micro-Elite Chamois active zones made from 89% polyester and 11% spandex. Those stretch panels support movement while the brushed fleece provides warmth.How should I choose a size in the men’s Hot Chillys La Montana Bottom?
It has a close-to-body fit designed to layer under looser shell pants, and men’s sizes run from S to XXL. Choose primarily by waist: S fits 29–31 in, M 32–34 in, L 36–38 in, XL 40–42 in, and XXL 44–46 in.Does the Hot Chillys La Montana Bottom work in wet or snowy conditions?
Its moisture-transfer fibers and breathable polyester construction suit cold-weather layering, and the fabric is rated UPF 40. It has no listed waterproof membrane, so wear a waterproof shell in rain or wet snow.How should I care for the Hot Chillys La Montana Bottom?
Machine wash it separately in cold water with like colors, then tumble dry on low. Avoid bleach, fabric softener, and ironing to care for the 100% polyester La Montaña fleece.