I have been at sea long enough to know when somebody is guessing, so I will not do it to you. These are the Studio workout tights: Björn Borg's full-length women's training tight, from the Studio collection, which is the brand's own line for gym and studio work rather than for technical running.
The fit is close and compressive through the leg — that is what the garment is for — and the fabric is a quick-drying knit that moves sweat off the skin rather than holding it against you. That much is plain and that much I will stand behind.
Björn Borg publishes a full composition on their own listing for each colourway of each garment, and I do not have that page in front of me for this one, so I am not going to invent percentages to fill the space. What I can tell you is the shape of the thing and what it is honestly for.
What I will not do is read you a fibre breakdown I have not seen.
It is a training tight, not a compression medical garment and not a weather layer. If you want something to keep the wind out on a January road, that is a different item in the range, and any chandler who tells you otherwise is selling you rope for an anchor chain.
It has no membrane, no fleece backing and no claim to either.
You will get use out of these everywhere from an indoor session on a wet day to a warm-up on a court back home in the spring, and by the way, they are also perfect for a long climb through Perugia, which is a town built on a hill and then partly buried. The Etruscan Arch is huge blocks laid dry, no mortar, under a later loggia.
The Fontana Maggiore carries twenty-five carved panels around its lower basin. And under your feet at the Rocca Paolina lie the buried streets of a papal fortress — a whole district roofed over and walked through underground, which is the strangest deck I have ever crossed, and I have crossed a few.
"A whole street with a roof built over it, still walkable. Below decks, and the town above has forgotten it is there."
Buy on Amazon