Sidi Arx WP CE Shoes Embracing a more casual trainer style, the ARX WP delivers versatility for riders transitioning from bike to street without compromising safety or style, combining a traditional high-top trainer look, with superior protection. Featuring D3O ankle protection technology and reinforced heel, toe, and gear change, the ARX WP is constructed from Suede microfibre with a waterproof membrane. Sidi Foretex technology delivers both CE-certification and incredible flexibility, providing a casual fit and unmatched level of comfort.Key FeaturesSuede leather upper constructionMicrofibre panel on back of ankleWaterproof liningVibram SoleForetex TechnologyClosure with lock laces and webbing lace holder.Reflective lacesD30 ankle protection technologyGear shift protectionReinforced heel and toe protectionReflective inserts on heelRear loop for fast fitSizing Guide (UK)6 407 418 429 4310 44Whilst you probably know the approximate size you need, please bear in mind that Alpinestars may be smaller than your current motorcycle boots, so you may need to go up a size to ensure a comfortable fit. Please use the size guide to help in finding which size boot you need, note this is only a guide and cannot determine an exact size.Quick code-SIDARX