For the protection you need with absolutely no sacrifice in comfort, our superlight cycling cap made of 100% recycled mesh fabric for optimal ventilation during intense rides on hot summer days.a Recycled mesh fabric for reduced environmental impactFIT: AthleticFABRIC: 38% Polyester - recycled, 47% Polyester, 15% Elastane*As a Swedish brand our products can fit long and lean. Sorry, but some say it is what makes us fast! So, if your normal fit is typically between sizes we suggest sizing up. Have any questions? Send us an email at [email protected] from Monday-Friday 9am - 5pm EST.