2015 Easton S1 USSSA Bat Review
The 2015 S1 sat at the top of Easton's old Power Brigade lineup as the full-composite, balanced senior-league option. A two-piece IMX barrel tied to a thin SIC carbon handle gave it the light swing and big sweet spot that made the S-series a travel-ball staple before the MAKO took over.
The Score
How we score ↗How big and forgiving the barrel is — based on barrel length, construction (one- vs two-piece, alloy vs composite), and how it plays on balls hit off the center. A primary driver of the overall score.
This bat: Two-piece IMX composite barrel spreads a large, forgiving sweet spot.
Raw exit velocity and distance. We use measured numbers from freely available independent testing when they exist; otherwise construction and consensus, judged against the certification’s performance ceiling. A primary driver of the overall score.
This bat: Lively composite pop once broken in, strong for a balanced -10.
Comfort and feedback on contact — vibration dampening from the knob/connection, the sting of a stiff one-piece vs a smooth two-piece, and the sound off the barrel. A primary driver of the overall score.
This bat: ConneXion two-piece construction smooths out mishit sting.
How well it holds up and how the company stands behind it — documented cracking/denting reports, cold-weather behavior, and the brand’s real warranty record. Good to know, but weighted lightly in the score.
This bat: Composite of this era holds up but is less bombproof than alloy.
Our take on price-for-performance — the overall package weighed against its cost and what comparable bats run. Shown for context; it is NOT factored into the overall score (price changes too often and is personal).
This bat: A proven flagship composite that can be found at closeout pricing.
Why this score: The S1 was a top-tier balanced composite for its year: big sweet spot, light swing, and the smooth two-piece feel the S-line was known for. It comes down only for the break-in any composite barrel needs and a balanced profile that won't satisfy end-load hitters.
Our Review
The 2015 Easton S1 was the flagship of the Power Brigade S-line: a two-piece, all-composite senior-league bat built around an IMX composite barrel and an ultra-thin SIC Black Carbon handle joined by Easton's ConneXion technology. In the -10 it swings light and balanced, with the kind of forgiving sweet spot and clean two-piece feel that made composite bats so popular in travel ball during this era. Like most composites of its day it wants a short break-in period before the barrel reaches full liveliness, and the balanced build means hitters chasing a heavy end-load will want a different profile. As a benchmark balanced composite of the mid-2010s, the S1 holds up as a smooth, fast-swinging option that fits contact-oriented hitters well.
Pros & Cons
Pros
- Two-piece IMX composite delivers a large, lively sweet spot
- Thin 29/32" carbon handle keeps the swing light and quick
- ConneXion two-piece build dampens sting on off-center contact
Cons
- Fully composite barrel needs some break-in to reach peak pop
- Balanced profile gives up the extra mass power hitters look for
Full Specifications
| Brand | Easton |
|---|---|
| Model | S1 |
| Model Year | 2015 |
| Certification | USSSA |
| Sport | Baseball |
| Construction | Two-piece composite (IMX composite barrel, SIC Black Carbon handle, ConneXion) |
| Model # | SL15S110 |
| Drop | -10 |
| Barrel | 2 5/8" |
| Swing Weight | Balanced |
| MSRP | — |
Where to Buy
2015 Easton S1 USSSA Bat — FAQ
Is the 2015 Easton S1 a good USSSA bat?
We rate it 8.2/10 (Grade A). The 2015 S1 sat at the top of Easton's old Power Brigade lineup as the full-composite, balanced senior-league option. A two-piece IMX barrel tied to a thin SIC carbon handle gave it the light swing and big sweet spot that made the S-series a travel-ball staple before the MAKO took over.
What drops does the S1 come in?
The 2015 S1 USSSA comes in -10.
Is the Easton S1 USSSA-legal?
Yes — it's USSSA certified by the NTS lab. USSSA 1.15 BPF approved — the “hotter” travel-ball standard, legal for USSSA play.
New to buying bats? Read our bat sizing guide, certifications explained, or browse all guides.
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