The inov-8 Fastlift 400 BOA weightlifting shoe combines maximum stability with forefoot flexibility so you can get the most out of your lifting, functional and plyometric training. Shoe Fit Scale: Grade 4. inov-8 shoes are designed with Met-Cradle technology to lock down the mid-foot for a stable hold. Graded on a scale of 1-5, Grade 1 represents the closest, most precise fit. Grade 5 has the widest fitting toe box. Drop: 16.5mm. Footbed: 6mm. Midsole Stack: 16.5mm / 0mm. Full-ballistic nylon upper with protective overlays for lightweight protection and increased durability. BOA Dial lock-down strap provides on-the-go micro-adjustability for a secure and stable fit. Padded tongue and collar. Welded rubber toe cap for added protection. POWERTRUSS Heel utilizes hollow columns to provide a lightweight and stable base. (EHC) External Heel Cage wraps around the rear of the shoe and provides support in the heel. Durable rubber sole with META-FLEX outsole grooves create a natural flexion point at the forefoot for more natural, efficient movement. Imported. Measurements: Weight: 1 lb Product measurements were taken using size UK 10 (US Mens 11), width Precision Fit (Medium). Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.