Converse Chuck 70 Low Ox Breathable Mesh Knit Unisex Sneakers 170848C NWT Size Guide: Men's 7.5 - Women's 9.5 MPN: 170848C MASTER CRAFTSMANSHIP. BUILT TO BREATHE. Just in time for warmer weather, we've updated the best ever Chuck 70 with a lightweight, breathable mesh. Designed to keep you cool and comfortable in style, we've paired the heritage elements you know and love with easy-to-pair neutrals. Features: Crafted in a breathable knit mesh. OrthoLite cushioning for all-day comfort. Tonal bindings for a clean look. Shiny, taller rubber sidewall and winged tongue stitching. Heritage details like a 1970s heel logo nod to its legacy.