Girls' Skechers Little Kid & Big Kid Ultra Flex 3 Sequin Casual Sneakers Let her shine bright and stay comfy in the Skechers Ultra Flex 3 Sequin sneakers. This easy slip-on style dazzles with a glittery knit upper while delivering serious comfort through every step. Built on a lightweight Ultra Flex sole and cushioned with an Air-Cooled Memory Foam® insole, these sneakers are perfect for school days, playdates, and everything in between.