2025 Miken Ultra II Maxload 1-Piece (SSUSA Senior) Slowpitch Bat Review
The 2025 Miken Ultra II Maxload is a one-piece composite SSUSA senior slowpitch bat built with C-4 carbon fiber and E-Flex 360+ barrel tech, with a half-ounce end load for the senior game.
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Check today's price →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.
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.
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.
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.
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).
Why this score: The long barrel and updated C-4 layup earn good sweet-spot and power marks for the senior game. Swing weight reflects the Maxload, feel reflects the one-piece, durability is solid, and value is strong at a sub-$230 senior price.
Our Review
The Ultra II is a long-running name in senior softball, and the 2025 Maxload version is a one-piece composite bat built specifically for SSUSA play. It uses Miken's C-4 carbon fiber and a new resin system with E-Flex 360+ barrel technology, which the brand says increases barrel flex roughly 10 percent over the prior generation, helping the full 13.5-inch barrel drive the softer senior ball. The one-piece frame gives a stiff, direct feel, and the.5 oz Maxload end load adds barrel momentum that helps with the less-lively senior ball without going to a full load. Approved for SSUSA and ISA, it is a focused senior bat rather than a do-everything model. For 50-and-over players who want a proven name with updated barrel tech at a reasonable senior price, the Ultra II Maxload is a solid pick.
Pros & Cons
Pros
- C-4 carbon fiber and E-Flex 360+ barrel for added flex
- Full 13.5-inch barrel helps drive the softer senior ball
- .5 oz Maxload adds momentum without a full load
Cons
- Senior certification means it is not legal in USSSA or USA play
- One-piece transmits more sting on off-center contact
Full Specifications
| Brand | Miken |
|---|---|
| Model | Ultra II Maxload 1-Piece (SSUSA Senior) |
| Model Year | 2025 |
| Certification | Slowpitch |
| Sport | Softball |
| Construction | One-piece composite (E-Flex 360+ barrel, C-4 carbon fiber) |
| Model # | MSS5ULT1L |
| Drop | — |
| Barrel | 13.5" |
| Swing Weight | End-load (.5 oz Maxload) |
| MSRP | $229.95 |
Where to Buy
2025 Miken Ultra II Maxload 1-Piece (SSUSA Senior) Slowpitch Bat — FAQ
Is the 2025 Miken Ultra II Maxload 1-Piece (SSUSA Senior) a good Slowpitch bat?
We rate it 8.1/10 (Grade A). The 2025 Miken Ultra II Maxload is a one-piece composite SSUSA senior slowpitch bat built with C-4 carbon fiber and E-Flex 360+ barrel tech, with a half-ounce end load for the senior game.
Is the Miken Ultra II Maxload 1-Piece (SSUSA Senior) Slowpitch-legal?
Yes — it's Slowpitch certified by the certifying labs. Certified for USSSA / NSA / ISA slowpitch play.
How much does the 2025 Ultra II Maxload 1-Piece (SSUSA Senior) cost?
MSRP is $229.95. We list the lowest price across CheapBats and Amazon on this page.
New to buying bats? Read our bat sizing guide, certifications explained, or browse all guides.
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Sources: Direct Sports — 2025 Miken Ultra II Maxload SSUSA Senior (MSS5ULT1L) · Longball Bats — 2025 Miken Ultra II Maxload SSUSA Senior (MSS5ULT1L)