Specs Navigating strong currents and slippery rock riverbeds is part of the experience. Our Freestone® Wading Boots - Rubber Soles has a proven record of durability and traction in rocky rivers around the world. It provides the support underfoot and at the ankle for negotiating slick, unseen river bottoms. The synthetic uppers take the abuse of brush, rock, and water in stride, while a cushioned midsole and partial neoprene lining provide all-day cushioning and warmth. Waterproof synthetic leather & scratch rubber upper Partial neoprene lining Dual-density EVA midsole for shock absorption 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 Wading Boot in the first column. We have found that people successfully size their wading boots between their street shoe size and 1 full size larger (for men). If you are a half size, then you should size up to the next full size. Simms Men's WadingBoot Size USA Street ShoeSize Euro Street ShoeSize UK Street ShoeSize CM Street ShoeSize 5** 4 37 3 22 6** 5 38 4 23 7 6 39 5 24 8 7 40 6 25 9 8 41 7 26 10 9 42 8 27 11 10 43 9 28 12 11 44 10 29 13 12 45 11 30 14 13 46 12 31 15** 14 47 13 32 16** 15 48 14 33 Not all styles available in all sizes; please see individual boot for size specifics.