Louis Garneau Women's Pro Carbon Tri Top coldblack: Reflects UV rays to reduce heat build-up even on dark textiles 13"/33 cm comfort zip with inner flap: Zip is sewn so teeth pull away from the user to reduce abrasion and chafing. Inner flap protects skin from the zip Laser-cut shoulders: Designed for improved aerodynamics 2 mesh back pockets with flap: Protect contents without compromising aerodynamics Micro-Activ seams: Eliminate irritation and reduce chafing - Flatlock seams: Eliminate irritation and reduce chafing - Front and back reflective accents