The Smartwool Women’s NTS Mid 250 Crew is a 100% Merino Wool baselayer featuring a flatlock seam construction (to prevent chafing) rated at UPF 50+. Being a mid-weight designed for colder climates, we have been tested the Mid 250 crew out on those chilly night runs, hiking to the crag and out onto the white stuff to see how it performs.
The NTS 250 crew is a form fit, we went for a size small, which was perfect for a typical UK size 10 female at 160cm and plenty of room for those taller ladies also. It follows the contours of the body snugly without feeling tight. The seamed cuffs are great when used under a shell and stretchy material allows unrestrictive movement without the sleeves or main body of the baselayer rising up. Unlike other baselayers which you like to keep hidden this garment is available in a range of vibrant colours and pattens which you will be happy to show off or will not look out of place during a post ascent/decent celebration drink with mates.
The Mid 250 is definitely for the colder climates! We took it out for a range of activities including as a single layer hiking to the crag. As a single layer in milder climates although it wicks really well it can easily get too hot if the sun has decided to come out for the day. Saying that, when used in pretty chilly conditions such as a baltic trail run or under a shell as a baselayer during that epic alpine ascent or just crusing down the piste this crew it is on the money! It wicks well leaving you warm, dry and itch free throughout a whole day of aerobic performance. Unlike some other baselayers the NTS Mid 250 does not hold that post workout smell and washes well.
In conclusion the NTS Mid 250 Crew is a very warm comfortable mid weight (250g/m2) Merino Wool garment when used as both a single garment or as a base layer, but like it says on the tin definitely for the colder climates! If you require a lighter fair weather baselayer for those warmer months or summer trails take a look at a lighter weight wool (195g/m2 or 150g/m2 which Smartwool also produce in this range).