Altra Rivera 4 Running Shoes Make your everyday miles more comfortable with responsive midsole cushion and a refined upper. A revamped heel collar and engineered mesh upper provide a better fit through the forefoot. A roomy toe box with a snug midfoot ensures your toes aren’t smooshed but you stay secure and confident. Zero drop allows you to move naturally while Altra EGO midsole foam brings comfort, responsiveness, and connection to the ground. Best For: Road Running, Walking Style: AL0A85P9440 Year: 2024 Color: Blue US Women's Size 10 UK 8 EUR 42 Preowned. Good used condition. Please note wear at the toes (pic 11, 12) MSRP $130