INMB100654-GFT Slip Sleeve with PerformaKnit for 13-inch MacBook Pro - Thunderbolt 3 (USB-C) & 13-inch MacBook Air with

The Incase Slip Sleeve with PerformaKnit is a custom, lightweight sleeve constructed from stitch-knit textiles engineered for high performance and utility. It features high-stretch fibers that precisely stretch to hug every contour of your MacBook.