The Fellside Steel Toe SD Chelsea from Dr. Martens Work has the ideal combination of safety toe protection, comfortable support, and reliable slip resistance to keep you steady on your feet all day long. Style numbers: 23116202 (Bark) and 23115001 (Black). Industrial full grain leather upper. Pull-on boot with side gore panels for a secure yet flexible fit. Moisture-wicking lining provides breathability and a drier foot environment. Softwair memory foam footbed for underfoot comfort and support. Welt construction is heat sealed and welted onto a unique rubber and PVC hybrid sole. Slip-resistant rubber-PVC hybrid outsole meets ASTM F1677-2005 safety standard with Grip-Trax lug formation that provides excellent traction in wet, dry, soapy, and oily conditions on a variety of surfaces. Steel toe meets ASTM F2413-11 MI/75 C/75, SD (static dissipative) safety standards. Imported. Measurements: Weight: 2 lbs 1 oz Circumference: 11 in Shaft: 7 in Product measurements were taken using size UK 11 (US Men's 12), width D - Medium. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.