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Assos SS.Mille Jersey - Short-Sleeve - Men

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Item # AAS001Y

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Item # AAS001Y


Assos bib shorts have long abided by a trio of classifications -- .13, Mille, and Uno. And while Assos long ago introduced their ss.13 and ss.Uno short sleeve jerseys, it's interesting that they never made an ss.Mille jersey. Interesting for what reason, you might ask? It's because the ss.Mille bib short is their best seller, so it'd be easy to expect the jersey equivalent to be equally ripe for promotion and success. It took two full years after the unveiling of the ss.13 and ss.Uno jerseys for Assos to unveil the ss.Mille Short Sleeve Jersey, and based on appearances (and the fit) it was worth the wait.

The driving concept of the ss.Mille jersey is identical to the Mille bib short: It's their 'long-distance jersey,'which is Assos-speak for the fact that it's built with a less-restrictive cut. The pattern design impresses us for the way it's noticeably looser than the notoriously-tight ss.13, but it's still built with an anatomic cut so fabric won't bunch on your body or flutter in the wind. For the majority of us (fit riders, but our bodies no longer get mistaken for Adonis) the ss.Mille is ideally designed. Let us stress one fact: This is a high-performance, race-minded jersey. It is not baggy or floppy in the least. Rather, the proportions make more sense for lots of folks. The torso and sleeve lengths will fit true to size, as will the chest. But, for example, the neck, waist, and arms won't be as tight as you've perhaps felt in Assos before. For riders contending in the King of the Mountains competition, you'll be best served by buying the ss.Mille 1 size smaller than other jerseys, or by choosing the ss.13 instead. Except for riders like that, though, you can choose the same size in the ss.Mille that you'd pick for the ss.Uno.

The Assos ss.Mille is built from a combination of 4 different fabrics. The main fabric (you'll find it used on the front panels and arms) is known as 'Type 151,' and it represents Assos' innovation with body temperature regulation. When you're hot it accelerates moisture transfer from your skin to the fabric to the air. But when you cool down it slows down that moisture transfer process, using body moisture as a means of retaining warmth. The side panels and armpits are made with an ultralight 4-way stretch spandex that allows the jersey to perfectly contour to your body regardless of how your body is angled -- more upright when climbing, or arched-over in the drops at speed.

Like the ss.13, the back panel of the ss.Mille is purposely made of a breathable-but-inelastic material. Through its inelasticity, the jersey gets much-needed stability on your body. Throughout the middle of the back this panel serves to support the back of the jersey and prevents it from stretching vertically. Think of this panel as a frame or a support, preventing the jersey as a whole from sagging. It's more comfortable, and it makes inserting/removing gear from your pockets a whole lot easier.

The ss.Mille has a full zipper, a zippered safety pocket for keys or your iPod, in addition to its regular rear pockets and reflective rear panels. It's available in five sizes from Small-XLG. (Remember, in theAssos world, XLG=XX-Large.) It comes in 5 color options.

Tech Specs

UPF Rating:
Recommended Use:
cycling, training, group rides

Size chart


Men's Apparel
Leg & Knee Warmers 0 I II
Height 4ft 11in - 5ft 2in
(150 - 159cm)
5ft 3in - 5ft 6in
(160 - 169cm)
5ft 7in - 5ft 10in
(170 - 179cm)
5ft 11in - 6ft 1in
(180 - 185cm)
6ft 1in - 6ft 3in
(186 - 190cm)
6ft 3in - 6ft 5in+
(191 - 195cm+)
XLG but wider
Arm Warmers 0 I II
Chest 35.4in
46.5+ in
How to Measure:
For best results, take measurements over your underwear.
Measure around the widest part of your chest.

Reviews & Community


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Fits like a $30 jersey.

  • Familiarity: I've used it once or twice and have initial impressions

For some reason Assos products don't work for me. I've had the Mille bibs, the S5 bibs, and this jersey. They are the least comfortable of my clothes.

I'm 5'9", 160lbs.

I tried different sizes in this jersey and could not find the right fit. Too snug in the armpits, or too long in the torso. In the riding position, the sleeves pull and ride up, which is ridiculous. I don't know who or what Assos uses for their sizing, but it's not for me.

Soooooo many better jerseys out there for a lot less.

Avg. ride time: 8h 18m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.


  • Familiarity: I've used it once or twice and have initial impressions

Was expecting a more Assos fit shirt, this one is very loose specially in the down part

Avg. ride time: 47m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

Very good Jersey, worth it at sale price

  • Familiarity: I've used it several times

I've purchased two of these during the TdF '14 sale, and I'm very pleased with my purchase.

I've become a big fan of Assos products, but as in this case, I'm limiting my purchase to sale items, as I still think they're not worth the ridiculous premium price of their 'everyday price'.

Other than that, this is the best jersey I have. Fit is very good, and fits to my body like a glove.

Very happy with my sale purchase

Nice Jersey, but loose

  • Familiarity: I've used it once or twice and have initial impressions

I like the jersey, it's really well made and based on my single ride, seems to be pretty high quality. My only problem is that it feels loose. On the downhill portion of the ride, the bottom 1/2 of the jersey was flapping in the wind. The sleeves were also riding up my arm a bit which was annoying. I'm 6'-2", 185 pounds and I ordered a medium, which typically gives a pretty snug fit. I'm a bit surprised because it's a European company, but this is definitely American sizing, IMHO.

Follow sizing suggestion

  • Familiarity: I returned this product before using it

SIZE DOWN ONE! I bought this in a small, being 5'8", 145 lbs. and thought that Assos was suggesting to size down to achieve more of a race fit...I thought maybe all Assos garments were pretty snug...wrong assumption. They do make larger, club fit items and this is one of them! I got a small in the blue and it was way too billowy. From now on if I buy Assos' garment I will trust their sizing recommendations!

Assos Mille sizing question I am currently...

Assos Mille sizing question

I am currently 72" tall with a 41.5" chest. It looks like I am at the top end of the sizing chart for the Assos Mille Jersey. Does this Jersey run big, right on or small when compared with other jerseys? Would I be better served getting a large or should I go for the XL?


This jersey is a bit looser that my other Assos jerseys. I'm about 5'11" and 170-172 lbs. I normally wear size large in Assos. It's not too loose, but I got this in the long sleeve version and find it a bit looser than I like. I figured it's okay to wear it over a light wool undergarment. I definitely thought twice about ordering the short sleeve Mille in large. Went with medium and love the fit, perfect.