The Muckmaster Mid boot is slightly shorter in the leg compared to its sibling, the Muckmaster Hi. The lower height of this boot is particularly comfortable for those of us who have slightly bigger calves, as the top of the boot reaches just mid-way up the shin. Like the Muckmaster Hi this boot features highly desirable qualities such as: a breathable Airmesh lining, exceptional thermal properties, and highly durable rubber soles. Muckmaster Mid Work Boot Features Waterproof rubber boot from Muck Boot A slightly shorter version of the Muckmaster Hi A completely breathable Airmesh lining to help stop your feet from overheating Exceptional 5 mm CR Flex-Foam lining to help keep your feet warm and comfortable 2 mm thermal foam layer underneath the insoles of the boot Cushioned EVA contoured molded midsole MS-1 structured outsole Ideal for farm use Suitable in temperatures ranging from -30 to 10 Muck Boot\'s Ref. MPN: MMM-333A Colour: Moss Sizes: UK 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 PM Ref. 958900