Maintain excellent stride from training through race day with the Stinger XLT from Spira. ; A lightweight neutral trainer and race day running shoe. ; Breathable open mesh upper. ; Synthetic overlays provide lightweight support and comfortable fit. ; Lightly padded tongue and collar for added comfort and performance. ; Removable contoured EVA insole supplies lightweight underfoot plush. ; Dual-pod midsole made of compression molded EVA delivers highly responsive cushioning. ; Lightweight, stainless steel WaveSpring - A single spring is placed in the heel and dual springs are incorporated into the forefoot for optimal energy return. ; Fiberglass reinforced nylon shank for midfoot stability. ; High-abrasion heel pad provides long-lasting durability. ; Forefoot flex grooves allow the foot to more more naturally. Measurements: ; Weight: 11 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.