Elasticised vs. Elasticated

Elasticised and Elasticated Definitions
Elasticised
Simple past tense and past participle of elasticise
Elasticated
Of clothing or part of a garment, containing a strip or strips of elastic, especially in the waistband, cuffs or the ends of the legs, in order to make the clothing fit snugly.
An elasticated jacket
Slacks with an elasticated waistband
Elasticised
Made with strands or inserts of elastic;
Slacks with an elasticized waistband