Costa Diego Size:Large Guidance Trusstic System® Technology: Enhances

Guidance Trusstic System® Technology: Enhances gait efficiency while providing midfoot structural integrity

and new knit collar construction

Nathan Front Runner Short

these trainers provide plenty of shock absorption that will make every run more pleasurable and pain-free

Costa Diego Size:Large Guidance Trusstic System® Technology: EnhancesFeatures LENS MATERIAL: Costa's most high tech lens 580 Glass provides superior clarity, ultra scratch resistant, 100% UV protection and the best polarizing efficiency available. LENS COLOR: Blue Mirrored Polarized is best for bright, full sun situations on the open water and offshore. FRAME FEATURES: Diego feature a rectangular, matte black frame and grey blue mirrored polarized 580G mineral lenses. PROTECTIVE CASE AND CLEANING CLOTH: Costa case and