For days when the mercury plunges below 15 degrees F (-9 degrees C), Sturmfist 4 provides unmatched warmth and comfort with superior fabrics and insulation technology.
Polartec® Alpha® insulation features adaptable breathability to help eliminate the need of shedding or adding layers while on the move
Race ratchet closure provides secure fit and quick on-the-fly adjustments
DWR finish sheds moisture, dirt, and debris.
![Fox Racing PROFRAME RS SUMYT [BLK/YLW] L](https://cdn.shoplightspeed.com/shops/628215/files/50590070/356x356x2/fox-racing-proframe-rs-sumyt-blk-ylw-l.jpg)
![Fox Racing PROFRAME RS MHDRN [BRK]](https://cdn.shoplightspeed.com/shops/628215/files/50589623/356x356x2/fox-racing-proframe-rs-mhdrn-brk.jpg)
![Fox Racing W RANGER 2.5L WATER JACKET LUNAR [PNK]](https://cdn.shoplightspeed.com/shops/628215/files/49131369/356x356x2/fox-racing-w-ranger-25l-water-jacket-lunar-pnk.jpg)
