- Dual-layer y'imbere y'intoki ishimangira itanga igihe kirekire.
- Imikindo ikurura kandi ikwirakwiza imbaraga-zingirakamaro binyuze mumikindo.
- Urubuga rwa Nylon rutanga ububiko bworoshye.
- Imashini ishobora gukaraba.
- Thermoplastic Rubber (TPR) izamu ryizamu hamwe nabashinzwe kurinda urutoki birinda ingaruka.