Find the system that works for your thermoregulatory needs with the Hot Chillys Warmth Factor Rating System. The 8K Crewneck is a Body Fit piece, at a rating of 8, or Midweight with Medium Warmth. Stillwater Fly Shop offers free shipping and no sales tax, anywhere in the USA with no minimum order!
Don't waste your time on a knock off when the MTF4000 Crewneck is the best choice for long lasting performance.
Durable and easy to wear our MTF400 fabric offers your body a way to stay in motion without getting cold. Featuring our famous Moisture Transfer Fibers that literally grab sweat and push it out of the fabric and away from the body. One of our most versatile crewnecks the MTF400 is great from the mountain to the back nine.
Flat seam construction to reduce bulk and skin abrasion
Seams set away from shoulder for added comfort
Features Hot Chillys flocked logo
Fabric Type Moisture Transfer Fibers (MTF)
Anti-Microbial Treatment Bio-Silver Properties
UPF Rating The Ultraviolet Protection Factor in the sun protective rating associated with the fabrics. For example, a fabric rated UPF 30 means that if 30 units of UV rays fall on the fabric, only 1 unit will pass through.
Warmth Factor Rated 8 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.
Product Care Machine wash in cold water on the delicate cycle. Tumble dry on low and remove promptly. Do not bleach or iron.