Ibn RiverR-155 Hybrid Fibre Downbest

a hybrid model with a mix of different materials
We use a lightweight, heat retention, fiber-down cotton,
The body side adopts elastic niche, and the heat-reflective aluminum part is used on the back side of the side.
It's a stylish slim silhouette, it's easy to move, it's heat retention items.

Materials:
Front: nylon100%
Beat: Polyester100%
Nit: Polyester100%