Woolpower Long Johns 400 Merino Wool Base Layer Size:Medium 458 350gr InterLock® RN is

458 350gr InterLock® RN is a heavy round-nose component bullet for handloading

The pant can be combined with the Tri-Active EVO jacket

The reversible green/brown ripstop fabric is backed onto a tough mesh for added strength

At 12oz it's sized for a flask top-up or a quick brew rather than an all-day supply

Woolpower Long Johns 400 Merino Wool Base Layer Size:Medium 458 350gr InterLock® RN isWoolpower's Long Johns 400 are a heavyweight merino wool base layer built for the coldest days on the hill or in the hide. Knitted from the brand's own Ullfrott Original 400 fabric a 70% merino wool, 28% polyamide and 2% elastane terry knit developed in the 1970s they trap a thick layer of warm air next to the skin without feeling bulky. The legs are circular knitted, so there are no lengthwise seams to rub or chafe when you're on the move, whether