Get full access to Outside Learn, our online education hub featuring in-depth fitness, nutrition, and adventure courses and more than 2,000 instructional videos when you sign up for Outside+. Zoic W’s Premium Bib Liner ($80) Many people find bib liners more comfortable than chamois shorts for layering. But they can be inconvenient for nature breaks. The Premium offers stretchy crossover straps and a zippered butt panel so you don’t have to strip to pee.