more flexible construction to help avoid pressure points

Designed to handle big miles on long trails

has quickly proven to be much more

There is a boost mode of 250 lumens which provides 80m of lighting

Men's OMM Core Vest Men's Vests more flexible construction to helpThe OMM Core Vest is a new concept in active insulation for use as a super warm first layer in the coldest of events and challenges. Made entirely from Primaloft Active insulating fabric, the Core Vest offers the warmth of a fleece, but in less than half the weight. The Core range is an incredibly effective insulator, but thanks to near total air permeability, the build up of heat dissipates. The vest uses the 75g weight Core fabric which provides