The Engineered-Fit series uses material technology that allows you choose between a body-contoured Standard Fit and full Compression Fit simply by size selection. To achieve a Compression Fit, a true next-to-skin, no movement fit which eliminates potential friction related "hot spots" and helps to reduce muscle fatigue, simply select one size down from your normal size.

 Body: Jersey knit 92% Nylon / 8% Spandex

Panels: 95% polyester / 5% Lycra

Thermostatic Base-Layer Features and Benefits:

• Designed for maximum comfort and freedom of movement
• Size down for a Compression Fit, a true next-to-skin, no movement fit which eliminates potential friction related "hot spots"
• Smooth matte-finish surface to reduce drag and bulk when layering
• Hybrid construction with stretch mesh panels enhances freedom of movement and heat dissipation
• Flat-seam construction and seamless top-of-shoulder helps prevent irritation
• Textured, brushed interior enhances wicking and comfort against the skin
• Durable wicking and anti-microbial odor fighting treatments
• Fast-drying