The Montrail Fluidflex F.K.T. [Fastest Known Time] shoe has the perfect blend of flexibility, breathability, fit and traction to perform at your best. ; Lightweight and flexible trail running shoe with enhanced support. ; Breathable open mesh upper with a seamless construction and screen print overlays for a better fit and support. ; Cushioned footbed for all-day comfort. ; Forefoot trail shield adds protection but ensures flexibility. ; Full length, compression molded FluidFoam midsole with deep flex grooves that increases flexibility. ; FluidGuide technology enhances midfoot stability on uneven surfaces and a smooth ride on the trail. ; Durable Gryptonite rubber outsole with heel and forefoot traction zones featuring incorporated three-point lug shapes for multidirectional traction. ; Ride heights: 15mm heel / 11mm forefoot. ; Lug Height: 4mm ; Imported. Measurements: ; Weight: 10 oz ; Product measurements were taken using size 10, width D - Medium. Please note that measurements may vary by size. ; Weight of footwear is based on a single item, not a pair.