Constructed from a polished full grain leather upper, the new and improved Bison has a cut away scoop collar for easy foot access and comfort. Lightweight, metal-free and with non-snagging eyelets, the Bison is created on a new last and has an improved shock absorbing footbed. The innovative IGS rubber sole unit ensures superb grip on all surfaces and increased cushioning underfoot. Upper: Water resistant and breathable full grain leather. Reinforced stitching and a quick and easy lacing system. Deep padded scoop collar and bound bellows tongue edge for extra strength. Lining: Padded, moisture wicking and highly breathable. Cool in summer, warm in winter. Footbed: Heel pump shock absorbing footbed. Contoured to support the foot, with air channels to wick moisture and reduce heat build up and odour. Toecap: Wide fitting composite non sparking and thermal insulating. Tested to impact of 200 Joules.