The Helly Hansen Boys' Summit Bibi is the ultimate ski bib that is packed with features that will provide them the coverage and comfort they need for all-day fun! They designed it with a fully waterproof and breathable HELLY TECH® Performance exterior and light and warm Primaloft® Black Eco 80g insulation so you can stay out all day. The precise cut and gusset system gives you freedom of movement. The inner leg length is adjustable for a customized fit – you can adjust it to you and their siblings.