Base 4.0 Crew QuickBooks This style is classified as

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

OrthoLite cushioning helps to provide optimal comfort

distressed detail

Footbed: Compression molded high rebound EVA

Base 4.0 Crew QuickBooks This style is classified asUA 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,