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The vibrant and fun Injinji CoolMax Eco Mini Crew socks help prevent blisters with a seamless construction that protects each toe. CoolMax(R) EcoMade(TM) fabric offers the same moisture-wicking, quick-drying performance as regular CoolMax, yet is made of recycled PET polyester. Nylon adds durability while Lycra(R) spandex offers stretch and shape retention. Built with AIS:technology(TM) (Anatomical Interface System) for free movement from your heel to each of your five toes. AIS:technology separates toes with a thin, antifriction membrane, encouraging circulation and eliminating skin-on-skin contact that leads to blisters. Precisely stitched Vector Heels prevent bunching and allow a comfortable fit. Injinji CoolMax Eco Mini Crew socks feature a double-layer welt top that maintains shape for long-lasting performance and support. *Discount will be applied when you check out. Offer not valid for sale-price items ending in $._3 or $._9.