These Tactical Pro 50/50 Boots from Kombat UK are great for their money.

They are strong, robust and made to last, as well as fitting in with any airsoft kit. They are available in black, coyote, grey or brown and have various sizes.

Description:
Brown action leather and 1150D nylon boot
3M Thinsulate lining
Heavy duty fast access SBS side zip
Oil resistant sole with steel shank
Nylon laces
Removable EVA inner sole