Base 4.0 Crew QuickBooks Featuring a stem design that

Featuring a stem design that takes inspiration from Oakley® Razor Blade’s trigger stem but with a contemporary twist

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

unbelievably soft to the touch

2% Spandex

1mm H & 23

Base 4.0 Crew QuickBooks Featuring a stem design thatUA 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,