Flexible refers to the capability to adjust or bend easily. In the case of shoes, flexible refers to a type of shoe that generally features soft uppers and lightweight, bendable outsoles. Flexible footwear is designed to provide exceptional comfort when worn.
Spring is the transitional season between winter and summer. Spring is generally a mild season characterized by mild to warm temperatures and abundant rain. Spring occurs during March, April and May in the northern hemisphere; and during September, October and November in the Southern hemisphere.