Full Details from Amazon.com : http://www.amazon.com/gp/product/B0088WJM4M?tag=onigi-20
Timbuk2 Crater Sleeve Laptop Case (Algae Green/Sorbet Green 13N)
High density foam plus crater holes extreme protection minus the bulk
Crater holes help circulate air to cool your laptop when carrying it Low-profile lightweight design
Airport security friendly leave it in the sleeve