A size option, not a separate technology
This black size-11 record shares its product photograph with another HISEA rain-boot listing on the site. That is a reason to compare the actual variant selections carefully, not evidence of extra styles. No construction improvement has been established between the two records.
The tall pull-on format removes laces from the cleanup routine, but also removes lace adjustment. Make sure the instep retains the foot as you walk. An oversized rain boot can feel easy to put on yet let the heel rise enough to push the toes toward the protective cap.
Claims worth checking before work
The seller title describes waterproof and slip-resistant construction. We did not find an exact manufacturer sheet showing the slip-test method, test surface or certification marking for this ASIN. If the purchase is for a slick industrial floor, ask for those details instead of treating the phrase as a universal traction result.
The size-13 and size-10 HISEA entries offer different stated lengths, not proven different materials. Compare Dunlop Chesapeake if an identifiable manufacturer model is more important than keeping the same brand. Never infer chemical resistance from PVC alone.