3M Solus Replacement Strap is an approved 3M replacement piece for use with 3M Solus 1000 Series Safety Eyewear.3M Solus Replacement Strap is an approved 3M replacement piece for use with 3M Solus 1000 Series Safety Eyewear. Use this elastic strap to keep the protective eyewear securely on the head. Optional strap is removable for times when not needed.