The MX 146-X features a large, roomy toe-box while providing increased foot control through the heel and saddle of the foot. The resulting fit is designed for aggressive riding while remaining comfortable to wear all day. Ideal for couriers, adventure cyclists and anyone else who wears their cycling shoes for long periods of time. Comfortable down to 25øF (-4øC).Outsole:Supergrip Enduro Sole with Ice Lock anti-slip lug inserts. Not only does the MX146 feature Lake?s Legendary Fiberglass injected Nylon sole, but also one of the most technically advanced rubber soles. The Supergrip rubber sole features ICE LOCK tread inserts, which are vertically injected micro glass fibers that grip virtually all surfaces. This gives you a wet weather cycling shoe that is sure footed and stable in any condition.Upper:The upper features softshell fabric, water resistant microfiber, Thinsulate 200gr insulation and a waterproof membrane making this a highly water resistant cycling shoe great in various conditions. Clarino microfiber offers great durability and the suppleness found in leather at a significant weight reduction.Closure:Mid Power M4 Cartridge Tongue mounted BOA dial excels in ice, dirt & other challenging environments & is designed to be easily adjusted with gloves on. The mid-capacity dial combines durability & closure strength to withstand intense force & impact, without sacrificing fit & when combined with Click-Fit quick release, the system makes for an easier entry & exit.