The Spira Stinger XLT 2 running shoes are the perfect companion for your morning runs or gym workouts that require a responsive and cushioned training sneaker. Predecessor: N/A. Support Type: Neutral. Cushioning: High energizing cushioning. Surface: Road. Differential: N/A. Ideal for normal to high arches. WaveSpring Technology Unique design integrates lightweight, stainless steel springs, one in the heel and two in the forefoot. Springs provide both shock-absorbing cushioning and return of up to 96 percent of energy Mechanical cushioning is designed to reduce stress on joints. Designed to last for the lifetime of the shoes. Three-layer breathable mesh upper. Traditional lace-up closure. Padded tongue and collar. Removable open-cell insole. Semi-curved running last for supportive, comfortable stride. Two-piece pod construction utilizes a molded EVA midsole. High-abrasion rubber outsole provides reliable traction. Imported. Measurements: Weight: 10 oz Product measurements were taken using size 7, width B - Medium. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.