First，you need to measure your foot length ，next，please according to your foot length to choose shoe size.<br />EUR 40= Foot Length 25.0cm<br />EUR 41= Foot Length 25.5cm<br />EUR 42= Foot Length 26.0cm<br />EUR 43= Foot Length 26.5cm<br />EUR 44= Foot Length 27.0cm<br />EUR 45= Foot Length 27.5cm<br /><br />Upper material: Genuine leather<br />Middle and bottom material: Rubber base<br />Outer bottom material: Hard rubber<br />Applicable gender: male<br />Suitable movement: Outdoor climbing<br />Cortical features: Cowhide<br />The upper height: High help<br />Wearing way: Front tie<br />function: Shock absorption<br />Thickness: General thickness<br />Suitable season: Spring，Autumn，Summer，winter