The Johansson clog was named after Troentorp's founder, Swedish carpenter, August Johansson. This special style features a swing back strap that can be worn over the leather upper or swung back behind the heel. Alder-wood orthopedically designed footbed, wet-lasted leather upper, Slip-Resistant (Non-Skid) , Eco-Friendly, anti-microbial, slip-resistant shoe is Certified ASTM 1677-Mark II.