This lightweight Ironman Tri Pants / Tri Shorts is designed to perform well during the three elements of the triatholon ( swimming, cycling and running ) . Equipped with a 4 "zoom , these shorts shorter than standard shorts. Made of polyester - Lycra fabric and with a drawstring so the shorts stay in place . Seamless brushed nylon padding for optimal comfort and silicone leg grippers. Also includes the Ironman M - dot logo.