Lululemon Tracker Short IV Tidal Trip Boom Juice / Boom Juice / Neon Pink Size 6 Style Number: W7FFWS Material: Swift Ultra Run for the hills—these shorts were designed with athletic quads in mind. Swift Ultra Woven for strength and no-bulk performance—Swift Ultra fabric is sweat-wicking, four-way stretch and durable durable no-bulk performance woven for strength four-way stretch sweat-wicking LYCRA® Added LYCRA® fibre for great shape retention stretch great shape retention long-lasting comfort