Why can't you just use your ice gear? While you can , you probably shouldn't for a few reasons:

Look for vented fabrics such as pique stretch or lightweight mesh panels behind the knees and along the back of the legs to maximize airflow.

Mastering the Rink: The Ultimate Guide to Inline Hockey Pants

Advanced models use a 16-way stretch gusset in the crotch and flexible Lycra panels to ensure your skating stride isn't restricted. Inline Pants vs. Ice Hockey Breezers

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