High-grade stainless steel stays sharp longer. Check if the blades are replaceable.
Your toes should just barely brush the toe cap when standing.
Standard width and depth (most common). Fit 3 (High Profile): Wide feet and high insteps. Sizing is Not Sneaker Sizing
Heel lock is vital; your heel shouldn't lift when you walk or skate. Match Your Skill Level
Pull the tongue down and lay a pencil across the eyelets. If the pencil hits your foot before the eyelets, the skate is too shallow.
A felt tongue prevents "lace bite" (pain on the top of the foot). Pro Tips for the Perfect Fit