Design: Designed for climbers that have a low volume and narrow foot Single later vegan synthetic upper is perforated to ensure breathability and keep the shoe tight over time Strap closure secures the foot In-Shoe Comfort: 1.4 mm full length midsole paired with a slightly asymmetric toe profile provides a sturdy platform and confidence for off vertical endeavors Durability & Traction: 4.2mm TRAX® SAS outsole offers enhanced friction and maximum durability Additional Details: Vegan friendly