The inov-8 F-Lite 290 Knit provides lightweight agility and lifting supportfor the ultimate power-training shoe. **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: 4mm.Footbed: 3mm.Lug Depth:3mm.Midsole Stack (Heel / Forefoot): 11mm / 7mm.Ultra-durable knit upperprovides maximum flexibility and breathability.360 _ROPE-TEC_ system wrapsaround to the upper for maximum grip during rope climbs. Lace-up closure.Padded tongue and collar. _EXTEROFLOW_ midsole reduces shock impact anddelivers high levels of underfoot cushioning.EHC ( _External Heel Cage_ )wraps around the rear of the shoe and provides support in the heel. DFB(Dynamic Fascia Band) shank mimics the Windlass Effect to deliver a jolt ofenergy with each stride. _POWERFLOW_ midsole delivers 10% shock absorption and25% better energy return than standard midsoles. _STICKY GRIP_ rubber deliversenhanced underfoot traction and offers multidirectional flexibility, as wellas the traditional flex point that allows increased functionality in theforefoot. _META-FLEX_ outsole grooves create a natural flexion point at theforefoot for more natural, efficient movement. Imported.Product measurementswere taken using size UK 11 (US Men's 12), width Precision Fit (Medium).Please note that measurements may vary by size.Weight of footwear is based ona single item, not a pair.Measurements: * Weight: 14 oz