Ever since Sean Penn immortalized a pair in Fast Times at Ridgemont High, the Vans slip-on has been the definitive summer sneaker. Introduced in 1977, they're timelessly cool; sturdy enough for ...

And they were stretchy enough to turn most lace-up shoes—from low-top Vans to high-top Nike Air Flights—into slip-ons that glide on or off your feet in seconds without untying or retying the ...