Function and form come together seamlessly in the Speed Solo with performance attributes throughout and a waterproof suede upper over top. FEATURES • Waterproof membrane seals out water and lets moisture escape • Waterproof suede leather and 100% recycled non-wicking mesh upper • Metal hook with traditional lace closure • 100% recycled laces and webbing • Bellows tongue keeps out debris • Protective and abrasion resistant rubber heel and toe cap • 100% recycled breathable mesh lining • Removable PU footbed • 100% recycled mesh footbed cover • Rock plate for protection • FloatPro™ Foam midsole for lightweight comfort that lasts • BLOOM® performance foam is made of 10% algae biomass, transforming green water into clean water in the process • Vibram® Ecostep Recycle outsole designed with 30% recycled rubber which provides added durability and improved grip on wet and dry surfaces • Stack Height: 31-21mm • Drop: 10mm • Lug: 4mm • Half pair weight: 0lbs-12.34oz, 350g