These were worn for one week. We live in Florida so only travel to snow once a year and they’re already too small for my kids. Waterproof, warm and made to play, the kids' Sorel Yoot Pac Nylon waterproof boots have a seam-sealed construction to keep little feet cozy when they're tossing snowballs and building snow forts. Waterproof nylon uppers Seam-sealed waterproof construction (laces are not waterproof) Removable, washable 9 mm recycled felt inner boots with sherpa pile fleece snow cuffs 2.5 mm bonded felt frost plugs Handcrafted waterproof vulcanized rubber shells with Sorel aero-trac, non-loading outsoles Extra-grip soles provide traction on even the slickest terrain Smaller sizes (8–13) feature 2 sets of eyelets; larger sizes (1–7) feature 3 sets of eyelets