Under Armour Base 4.0 Crew 1353349 Cordura Steel wire construction also ensures Pants Steel wire construction also ensures durability as this set of earmuffs will be able to withstand routine to rough handling Variant SKU UPC Steel S Regular 1328190035SM 192006792413 Steel M Regular 1328190035MD 192006792376 Steel L Regular 1328190035LG 192006792369 Steel L Tall 1328190035LGT 192006792345 Steel XL Regular 1328190035XL 192006792444 Steel XL Tall 1328190035XLT 192006792451 Steel 2XL Regular 13281900352X 192006792406 Steel 2XL Tall 13281900352XT 192006792352 Steel 3XL Regular 13281900353X 192006792390 Steel 3XL Tall 13281900353XT 192006792383 Steel 4XL Regular 13281900354X 192006792338 Steel 4XL Tall 13281900354XT 192006792420 Academy S Regular 1328190408SM 192006881162 Academy M Regular 1328190408MD 192006879527 Academy L Regular 1328190408LG 192006879510 Academy L Tall 1328190408LGT 192006879497 Academy XL Regular 1328190408XL 192006881193 Academy XL Tall 1328190408XLT 192006881209 Academy 2XL Regular 13281904082X 192006879558 Academy 2XL Tall 13281904082XT 192006879503 Academy 3XL Regular 13281904083X 192006879541 Academy 3XL Tall 13281904083XT 192006879534 Academy 4XL Regular 13281904084X 192006879480 Academy 4XL Tall 13281904084XT 192006881179 Black S Regular 1328190001SM 192006793397 Black M Regular 1328190001MD 192006793359 Black L Regular 1328190001LG 192006793342 Black L Tall 1328190001LGT 192006793328 Black XL Regular 1328190001XL 192006793427 Black XL Tall 1328190001XLT 192006793434 Black 2XL Regular 13281900012X 192006793380 Black 2XL Tall 13281900012XT 192006793335 Black 3XL Regular 13281900013X 192006793373 Black 3XL Tall 13281900013XT 192006793366 Black 4XL Regular 13281900014X 192006793311 Black 4XL Tall 13281900014XT 192006793403 Compatibility Fitted: Next to skin without the squeeze locking in your body's heat to deliver extreme warmth in the extreme cold