Skins Men's Tri 400 Triathlon Skinsuit with Front Zip 80% Polyester/20% Elastane Imported SKINS Tri400 - maximize your potential: perform stronger, longer, with less fatigue and a quicker recovery Anti-friction carbon panels for the ultimate in chafe free comfort 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