adidas Powerlift 4 Men's Training Shoes Core Black/Carbon : The new adidas Powerlift 4 continues to be a reliable weightlifting shoe for the beginner and intermediate fitness enthusiasts and olympic weightlifters. This new edition features a sturdy canvas upper material for excellent support and an accomodating platform for comfort and stability during heavy lifts. Athletes will appreciate the grounded feel provided by the high-density midsole wedge. Upper: Durable, canvas upper material and wider fit provides toe splay for enhanced comfort and stability. Locking instep strap provides more security. Lace up front for better fit. New, extra-wide fit for enhanced comfort. Midsole: High-density, die-cut midsole wedge offers lightweight stability. Outsole: Non-marking, patterned outsole allows for excellent traction.