[511T-12421-019-4-R] 5.11 Tactical Company 3.0 Carbon Tac Safety Toe Boot (4, Black, Regular)
[511T-12421-109-4-R] 5.11 Tactical Company 3.0 Carbon Tac Safety Toe Boot (4, Brown, Regular)
[511T-12421-019-5-R] 5.11 Tactical Company 3.0 Carbon Tac Safety Toe Boot (5, Black, Regular)
[511T-12421-109-5-R] 5.11 Tactical Company 3.0 Carbon Tac Safety Toe Boot (5, Brown, Regular)
[511T-12421-019-6-R] 5.11 Tactical Company 3.0 Carbon Tac Safety Toe Boot (6, Black, Regular)
[511T-12421-109-6-R] 5.11 Tactical Company 3.0 Carbon Tac Safety Toe Boot (6, Brown, Regular)
[511T-12421-019-6.5-R] 5.11 Tactical Company 3.0 Carbon Tac Safety Toe Boot (6.5, Black, Regular)
[511T-12421-109-6.5-R] 5.11 Tactical Company 3.0 Carbon Tac Safety Toe Boot (6.5, Brown, Regular)
[511T-12421-019-7-R] 5.11 Tactical Company 3.0 Carbon Tac Safety Toe Boot (7, Black, Regular)
[511T-12421-019-7-W] 5.11 Tactical Company 3.0 Carbon Tac Safety Toe Boot (7, Black, Wide)
[511T-12421-109-7-R] 5.11 Tactical Company 3.0 Carbon Tac Safety Toe Boot (7, Brown, Regular)
[511T-12421-109-7-W] 5.11 Tactical Company 3.0 Carbon Tac Safety Toe Boot (7, Brown, Wide)
[511T-12421-019-7.5-R] 5.11 Tactical Company 3.0 Carbon Tac Safety Toe Boot (7.5, Black, Regular)
[511T-12421-019-7.5-W] 5.11 Tactical Company 3.0 Carbon Tac Safety Toe Boot (7.5, Black, Wide)
[511T-12421-109-7.5-R] 5.11 Tactical Company 3.0 Carbon Tac Safety Toe Boot (7.5, Brown, Regular)
[511T-12421-109-7.5-W] 5.11 Tactical Company 3.0 Carbon Tac Safety Toe Boot (7.5, Brown, Wide)
[511T-12421-019-8-R] 5.11 Tactical Company 3.0 Carbon Tac Safety Toe Boot (8, Black, Regular)
[511T-12421-019-8-W] 5.11 Tactical Company 3.0 Carbon Tac Safety Toe Boot (8, Black, Wide)
[511T-12421-109-8-R] 5.11 Tactical Company 3.0 Carbon Tac Safety Toe Boot (8, Brown, Regular)
[511T-12421-109-8-W] 5.11 Tactical Company 3.0 Carbon Tac Safety Toe Boot (8, Brown, Wide)
[511T-12421-019-8.5-R] 5.11 Tactical Company 3.0 Carbon Tac Safety Toe Boot (8.5, Black, Regular)
[511T-12421-019-8.5-W] 5.11 Tactical Company 3.0 Carbon Tac Safety Toe Boot (8.5, Black, Wide)
[511T-12421-109-8.5-R] 5.11 Tactical Company 3.0 Carbon Tac Safety Toe Boot (8.5, Brown, Regular)
[511T-12421-109-8.5-W] 5.11 Tactical Company 3.0 Carbon Tac Safety Toe Boot (8.5, Brown, Wide)
[511T-12421-019-9-R] 5.11 Tactical Company 3.0 Carbon Tac Safety Toe Boot (9, Black, Regular)
[511T-12421-019-9-W] 5.11 Tactical Company 3.0 Carbon Tac Safety Toe Boot (9, Black, Wide)
[511T-12421-109-9-R] 5.11 Tactical Company 3.0 Carbon Tac Safety Toe Boot (9, Brown, Regular)
[511T-12421-109-9-W] 5.11 Tactical Company 3.0 Carbon Tac Safety Toe Boot (9, Brown, Wide)
[511T-12421-019-9.5-R] 5.11 Tactical Company 3.0 Carbon Tac Safety Toe Boot (9.5, Black, Regular)
[511T-12421-019-9.5-W] 5.11 Tactical Company 3.0 Carbon Tac Safety Toe Boot (9.5, Black, Wide)
[511T-12421-109-9.5-R] 5.11 Tactical Company 3.0 Carbon Tac Safety Toe Boot (9.5, Brown, Regular)
[511T-12421-109-9.5-W] 5.11 Tactical Company 3.0 Carbon Tac Safety Toe Boot (9.5, Brown, Wide)
[511T-12421-019-10-R] 5.11 Tactical Company 3.0 Carbon Tac Safety Toe Boot (10, Black, Regular)
[511T-12421-019-10-W] 5.11 Tactical Company 3.0 Carbon Tac Safety Toe Boot (10, Black, Wide)
[511T-12421-109-10-R] 5.11 Tactical Company 3.0 Carbon Tac Safety Toe Boot (10, Brown, Regular)
[511T-12421-109-10-W] 5.11 Tactical Company 3.0 Carbon Tac Safety Toe Boot (10, Brown, Wide)
[511T-12421-019-10.5-R] 5.11 Tactical Company 3.0 Carbon Tac Safety Toe Boot (10.5, Black, Regular)
[511T-12421-019-10.5-W] 5.11 Tactical Company 3.0 Carbon Tac Safety Toe Boot (10.5, Black, Wide)
[511T-12421-109-10.5-R] 5.11 Tactical Company 3.0 Carbon Tac Safety Toe Boot (10.5, Brown, Regular)
[511T-12421-109-10.5-W] 5.11 Tactical Company 3.0 Carbon Tac Safety Toe Boot (10.5, Brown, Wide)
[511T-12421-019-11-R] 5.11 Tactical Company 3.0 Carbon Tac Safety Toe Boot (11, Black, Regular)
[511T-12421-019-11-W] 5.11 Tactical Company 3.0 Carbon Tac Safety Toe Boot (11, Black, Wide)
[511T-12421-109-11-R] 5.11 Tactical Company 3.0 Carbon Tac Safety Toe Boot (11, Brown, Regular)
[511T-12421-109-11-W] 5.11 Tactical Company 3.0 Carbon Tac Safety Toe Boot (11, Brown, Wide)
[511T-12421-019-11.5-R] 5.11 Tactical Company 3.0 Carbon Tac Safety Toe Boot (11.5, Black, Regular)
[511T-12421-019-11.5-W] 5.11 Tactical Company 3.0 Carbon Tac Safety Toe Boot (11.5, Black, Wide)
[511T-12421-109-11.5-R] 5.11 Tactical Company 3.0 Carbon Tac Safety Toe Boot (11.5, Brown, Regular)
[511T-12421-109-11.5-W] 5.11 Tactical Company 3.0 Carbon Tac Safety Toe Boot (11.5, Brown, Wide)
[511T-12421-019-12-R] 5.11 Tactical Company 3.0 Carbon Tac Safety Toe Boot (12, Black, Regular)
[511T-12421-019-12-W] 5.11 Tactical Company 3.0 Carbon Tac Safety Toe Boot (12, Black, Wide)
[511T-12421-109-12-R] 5.11 Tactical Company 3.0 Carbon Tac Safety Toe Boot (12, Brown, Regular)
[511T-12421-109-12-W] 5.11 Tactical Company 3.0 Carbon Tac Safety Toe Boot (12, Brown, Wide)
[511T-12421-019-13-R] 5.11 Tactical Company 3.0 Carbon Tac Safety Toe Boot (13, Black, Regular)
[511T-12421-019-13-W] 5.11 Tactical Company 3.0 Carbon Tac Safety Toe Boot (13, Black, Wide)
[511T-12421-109-13-R] 5.11 Tactical Company 3.0 Carbon Tac Safety Toe Boot (13, Brown, Regular)
[511T-12421-109-13-W] 5.11 Tactical Company 3.0 Carbon Tac Safety Toe Boot (13, Brown, Wide)
[511T-12421-019-14-R] 5.11 Tactical Company 3.0 Carbon Tac Safety Toe Boot (14, Black, Regular)
[511T-12421-109-14-R] 5.11 Tactical Company 3.0 Carbon Tac Safety Toe Boot (14, Brown, Regular)
This combination does not exist.