UNDER ARMOUR MEN'S BASE 4.0 CREW SIZE:XXL Illuminated reticle with 10 levels

Illuminated reticle with 10 levels of intensity

Be ready to send with bluesign® approved movement-mirroring

Featuring high-efficiency ChromaReal LED technology

Extremely soft polyester (43-85% recycled)/spandex jersey fabric wicks moisture

OSMO fabric is made from 100% recycled yarns that are PFAS-free and meet flame retardancy standards without the use of added chemicals

UNDER ARMOUR MEN'S BASE 4.0 CREW SIZE:XXL Illuminated reticle with 10 levelsUA 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,