Skins Women's Tri 400 Racer Back Triathlon Top 80% Polyester/20% Elastane Imported SKINS Tri400 - maximize your potential: perform stronger, longer, with less fatigue and a quicker recovery Includes a lightweight shelf bra for optimized support Lightweight Tri400 chamois provides maximum comfort/Protection with a slim profile Memory mx fabric panel strategically placed along the spine for maximum comfort and unrestricted movement Heat and pressure treated Tri400 fabric for minimized drag