ASICS GEL-BLAST 3 GS Asics GEL-BLAST™ 3 GS were designed to give young athletes with dynamic movements all of the support they need. Thanks to a redesigned upper in the forefoot, this shoe is more flexible and adapts better to multi-directional movements. GEL™ cushioning technology located in the back absorbs impacts and helps for a softer footfall. ASICS GEL-BLAST 3 GS