Altra, Men's, Superior 4.5, Trail Running Shoe, Yellow/ Black/ Burgundy, Size 11, In near-new condition, Only worn a few times. Features: Redesigned knit uppers provide increased durability and breathability and a locked-in fit FootShape™ toe boxes allow toes to splay for natural foot positioning and comfort Shoes feature improved drainage for creek-crossing expeditions and rainy-day runs 5mm contoured insoles lend comfortable support Zero Drop™ platforms (0mm heel-to-toe drop) place heel and forefoot the same distance from the ground for natural alignment and low-impact landing Quantic™ midsole foam cushioning combines responsive performance in a lightweight package Removable StoneGuard™ rock plates allow customizable protection as trail ruggedness changes Sleeker rounded heels make for nimble handling over varying terrain Sticky MaxTrac™ rubber outsoles provide surefooted traction Stack height: 21mm