Experience the innovative comfort of Unstructured with the sporty 'Un.Storm' t-strap.Premium, leather upper offers immediate wear with no break-in required.Elastic hidden under the instep t-strap allows for a secure, personalized fit.Lambskin lining with reduced stitching surrounds the foot in luxurious softness to prevent irritation and blisters.Removable, vegetable-tanned leather insole reduces foot friction.Unique air circulation system features intake vents to allow cooler, fresh air to enter.Channeled mesh creates a defined path for warm, moist air to flow and escape through exhaust vents.Lightweight Ultra Flex EVA outsole sole reduces lift load and foot fatigue for all-day wear.Rubber outsole pads absorb shock and add traction without weight.