Skull Logo Merchandise, Woolly Mammoths Team Gear, Long Sleeves, On Sale: Medium Woolly Mammoths Long Skull Tee – Size Medium$25.99 $17.99 Black long-sleeved shirt with Woolly Mammoths skull logo on chest. Heavy pre-shrunk 100% cotton. Ribbed sleeve cuffs at wrist. See product image gallery for size charts. Size Choose an optionSmallMediumLargeX-LargeXX-LargeXXX-LargeClear Woolly Mammoths Long Skull Tee - Size Medium quantity Add to cart