The ASICS GEL-Quantum 180 4 running shoe gives you the power and supportive comfort to complete your run or training time with total confidence. Predecessor: GEL-Quantum 180 3. Support Type: Neutral. Cushioning: Lightweight, flexible response. Surface: Road. Differential: 10 mm. Heel/Toe: 22 mm/12 mm Lightweight mesh and synthetic upper with an athletic-inspired silhouette. Seamless construction in the forefoot helps eliminate the likelihood of irritation. Lace-up closure. Padded tongue and collar. Soft fabric lining. Ortholite insole offers exceptional underfoot support and moisture-managing properties. Solyte midsole delivers featherweight cushioning and long-lasting durability. Forefoot and rearfoot GEL cushioning breaks up impacting shock during the impact and toe-off phases, while allowing movement in multiple planes through the gait cycle. Trusstic System technology reduces the overall weight of the shoe without compromising structural integrity. HG10MM Heel Gradient shifts body mass forward reducing the strain on lower limbs. OrthoLite lasting features plush underfoot comfort while providing excellent moisture management and a high level of breathability. AHAR (ASICS High Abrasion Rubber) outsole delivers cushioning, long-lasting durability, and reliable traction. Imported. Measurements: Weight: 14 oz Product measurements were taken using size 12, width D - Medium. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.