Material:nylon mesh,neoprene,SOFTSTEEL weight

Weight: 20 lb/30 lb/40 lb

Weight adjustable in 1lb increment

Adds resistance to your workout

Color: black,gray, or as request

OEM and ODM are offered

Description:

1.SOFTSTEEL weights

2.Ultra thin design fits on top or under clothing and nylon mesh outside for high visibility.

3.Larger front and back reflector stripes for maximum visibility.

4.Larger neck design for extra comfort

5.2 Larger zipper pockets to hold MP3,keys...