Umupira w'Ubushyuhe w'Abana Growing Shell ni umupira w'ubushyuhe ugizwe n'ibice bitatu, wagenewe abana bakora ibikorwa byo hanze. Igice cyo hanze gikoresha urwitwarariko rw'ibinini bidasanzwe (ultra-lightweight) rurinda amazi ariko rukemera umwuka gusohoka, rusanganywe n'urushinge rw'imisatsi 20D (fish scale gauze). Igice cyo imbere gihuza polyester yoroshye ishobora gusubizwamo n'ibihimba by'ubushyuhe bifite icyemezo cy'ubwiza (high fluffy goose down), bikoreshwa mu buryo bugabanyijwemo uturere kugira ngo ubushyuhe busaranganywe neza. Igice cyo hanze n'igice cyo imbere bishobora kwambarwa hamwe cyangwa ukwitandukanya, bitewe n'ibihe by'umwaka. Amazipi ari munsi y'amaboko afungura uburyo bw'umwuka bufasha uruhu kuguma rumye. Umwenda ugaragara mu mwijima (reflective fabric) unononsora kugaragara neza.
Izina ry'umushinga : Growing Shell Down Jacket, Izina ryabashushanya : ZHE JIANG SEMIR GARMENT CO.,LTD., Izina ry'abakiriya : Zhe Jiang Semir Garment Co.,Ltd..
Igishushanyo cyiza nuwatsindiye igihembo cyumuringa mububatsi, kubaka no guhatanira imiterere. Ugomba rwose kubona ibihembo bya bronze byegukana ibishushanyo mbonera bya portfolio kugirango umenye ibindi byinshi bishya, bishya, byumwimerere kandi bihanga imyubakire, inyubako nuburyo bwo gukora.