The Men’s Extreme Performance 99 Crew Neck thermal shirt is designed for very cold to extreme cold weather while performing medium to high levels of activity.
The Men’s Extreme Performance 99 features CPT fiber technology along with two-layer engineering. This helps trap air between layers providing a natural barrier of warmth. Both the inside and outside layer are made from a blend of 96% CPT performance polyester and 4% spandex. The CPT stands for ColdPruf® Technical which contains SILVADUR™ Intelligent Freshness which controls odor and inhibits bacterial growth on the fabric.
To aid in warmth this technology also wicks and aids in moisture evaporation.
The shirts tagless and flat seams along with it athletic fit ensures this underwear shirt fits comfortable under your clothes. The extended body and sleeves provide both comfort and improved fit.