FEATURES Waterproof, synthetic scratch leather upper with toe and heel reinforcement Partial neoprene lining for comfort and easy on/off Dual density EVA midsole for a comfortable ride underfoot 12mm felt outsole is fully compatible with Simms Hardbite Felt Studs Generally wading boots should be sized one size over your street shoe size. Men's Wading Boot Size Chart To allow proper room for the neoprene stockingfoot, find your regular shoe size in the right-hand columns and order the corresponding Simms Boot in the first column. This will typically be one size up from your normal shoe size for men and one size down for women (ie: a women's USA size 8 would take a men's boot size 7).(Simms Boot size 5 will fit a Youth Size 4, etc.) Simms WadingBoot Size USASize EuroSize UKSize CMSize 5 4 37 4.5 6 5 38 5.5 7 6 39 5.5 23.5 8 7 40 6.5 24.4 9 8 41 7.5 25.4 10 9 42 8.5 26 11 10 43 9.5 27 12 11 44 10.5 27.9 13 12 45 11.5 28.6 14 13 46 12.5 29.4 15 14 47 13.5 16 15 48 14.5 Not all styles available in all sizes; please see individual boot for size specifics. Chart supplied by Simms and current as of 11/2017Please Note: These models are not available for order outside of the United States.