The Alpinestars SMX S Waterproof motorcycle boots are CE certified and offer a lightweight yet highly durable microfibre construction. A waterproof and breathable membrane keeps your feet dry and comfortable, and ergonomic new forefoot streamlining enables greater precision on the bike controls and fit and comfort. The protective properties of the SMX S WP boot are outstanding with ergonomically optimised TPU shin plates, lateral TPR-injected ankle support, TPU double density ankles protectors are layered under the upper in both lateral and medial side for excellent all-round levels of protection, integrated, replaceable bi-injected TPU slider, gear change pad made from TPU and internal toe box protection. A medial side opening/closure system features elastic-mounted zip with wide Velcro closure for flexibility and a secure fit. The aperture opening is large to promote easier entry/exit. A new dual compound removable anatomic footbed includes EVA and Lycra for performance, comfort, and support. Alpinestars' new and exclusive compound rubber sole promotes improved feel and grip, water dispersion, and durability.