Black Diamond black & gray sneakers with orange laces, size US 9.5 #climbing #outdoor Technician Approach Shoe The Technician is Black Diamond's lightest approach shoes, and it thrives on technical terrain where you aren't too sure where the hike ends and the climb begins. Unique to all other approach shoes, the Technician features Black Diamond's 3D Wrap Construction that uses a midfoot strap to stay snug and precise as you edge and slab you're way to the best looking spot to flake a climbing rope. The EnduroKnit upper is surprisingly durable for how light and breathable it feels, and Black Diamond's new rubber ensures traction on mountainous terrain.