Base 4.0 Crew QuickBooks 2% Spandex

2% Spandex

OrthoLite cushioning helps to provide optimal comfort

SWAT team members and others who take their view of the world seriously

Premium canvas

This style is classified as low impact on the environment with a green EIM score measured and accredited by Jeanologia®

Base 4.0 Crew QuickBooks 2% SpandexUA Base 4. 0 is a men's baselayer built for extreme cold weather and lower activity. It uses a unique pattern that's designed to trap heat without adding bulk. Think long underwear, revamped for today's top athletes. UA Base 4. 0 is our warmest yet, locking in your body's heat to deliver extreme warmth in the extreme cold UA Scent Control Technology to keep you undetected in all pursuits Soft, brushed grid interior traps air against your skin,