New Hot Chillys MTF4000 Bottom Womens Baselayer

Age Group: Adult

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Sleek and performance friendly, our MTF4000 offers a high-tech way to stay warm, active and in motion no matter what sport you're into.


Flat seam construction to reduce bulk and skin abrasion
Covered elastic waistband for added comfort
Gusset eases movement and reduces bulk
Contrast stitching
Features Hot Chillys flocked logo


MTF (Moisture Transfer Fibers): Hot Chillys® exclusive MTF technology moves moisture away from your body, keeping you warm, dry, and comfortable.

OBP (Odor Blocking Properties): Fabric is treated with special chilly seasonings for freshness and odor control. Bottom line: No odor helps your social life. You're welcome.

Fabric hugs your body and moves with you, eliminating extra bulk, providing a full range of motion, and improving performance. Bottom line: we've added elasticity so that this fabric

Don't let harmful UV rays prevent you from having fun in the sun. Hot Chillys® has you covered! Products that feature the UPF designation have been thoroughly tested to ensure you and the sun remain simpatico. This Hot Chillys® product is rated 30+ (96.0%-97.4% protection from ultraviolet radiation).

Rated 7 on our Warmth Factor Thermometer. Products with a warmth factor between 6 and 8 are some of our most popular medium warmth, midweight products designed for excellent moisture management and slightly greater warmth. Great for cold conditions and perfect for performing with you all day on the mountain.

Machine wash in cold water on the delicate cycle. Tumble dry on low and remove promptly. Do not bleach or iron.