New Under Armour Women's Base 4.0 Crew Neck T Shirt Black Size Small Small:Black ISF and ISA certifications Royal Red White ISF and ISA certifications Foam pods for enhanced comfort around the AchillesFoam in the collar and quilted foam through the tongue and forefoot for long lasting comfortOne piece internal toe bumper offers a seamless feel and added protection for the toesInternal fit strap holds the tongue in place for a secure fitFull length EVA sockliner with PORON � foam in the forefoot for lightweight comfort 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 closely managing your body's microclimate to keep you warm & comfortable Material wicks sweat & dries really fast 4 way stretch construction moves better in every direction