SF Trainer Lows Mens 9 Womens 10.5 OG Strength Training Shoe Outwork is where it all started. Our first no bullshit training shoe. We made it to support your strength training. It stabilizes. It grips. It lasts. Put it to work. Practically Indestructible SuperFabric® one-piece upper for durability. Secure Flat and low to the ground to stabilize your stance. A wider toe box helps you find your footing. Traction Carbon rubber outsole with a circular tread shape for grip.