The GEL-Noosa Tri™ 11 displays an energetic vibe with an exciting updated upper to keep you moving. This Seamless Construction comprises a technical engineered mesh which allows for sockless wear while the heel/tongue grips and elastic laces will provide runners and triathletes alike with a quick transition. Now lighter than its predecessors, being faster will come with ease. Weight: 8.0 oz. Heel Height: 19.5mm. Forefoot Height: 9.5mm.