Four K Knitters Ltd

Sui Lung Cheung

Jifan Li

Kang Zhang

Shilong Zhang

Provided is an adaptive strap for brassieres having at least one adaptive material layer () having a first strength modulus x during static loading and a second strength modulus of at least 2× during dynamic loading of at least approximately 3 Hz oscillation. The adaptive layer () is sandwiched between two or more elastic fabric layers (). The adaptive strap is extendable up to 100% of its initial length during low wearer activity but is extendable not more than 50% during vigorous wearer activity, providing support during exercise and comfort during daily use. In one aspect the adaptive material is a reaction product formed by reacting a silanol terminated polydimethylsiloxane, polymer matrix, boric acid and optional fillers. The adaptive material () is cured in situ within the elastic fabric layers ().

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Hong Kong, China

Sui Lung Cheung