Avia Release Lite Running Shoe (Running shoes) Avia Release Lite Running Shoe in black / pink. Style meets performance in the A5643 from Avia! Lightweight trainer built on a neutral platform with breathable mesh upper. Combination leather & synthetic leather overlays. Plush tongue & collar for added comfort. Removable moulded EVA sock liner for soft underfoot comfort. Lightweight moulded EVA midsole with Release Lite technology provides responsive cushioning. Solid rubber outsole supplies light cushioning & multi-surface traction. Forefoot flex grooves allow more natural movement. Weight: 8 oz.