Selkirk Pro S1 Pickleball Review 2026: Is the No-Crack Warranty Actually Real?

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Last Updated: May 2026 | By Cosmo, FORWRD

Most outdoor pickleballs crack. It's not a question of if — it's a question of when. You buy a sleeve of Franklin X-40s, you get maybe 25-30 solid games before one of them develops a hairline crack and starts wobbling mid-flight. That's just... how balls work. Or so we thought.

The Selkirk Pro S1 is built around a different premise: what if a pickleball genuinely lasted? Not "lasted longer than the cheap stuff" longer — but a full year longer, backed by an actual warranty? That's a bold claim from a brand that doesn't make half-hearted products. We put the Pro S1 through extended outdoor testing on concrete courts in Denver — hot summer days, chilly fall mornings, the full range — to figure out whether the premium price tag is justified or marketing.

Short answer: it depends entirely on who you are as a player. Here's the full picture.

At a Glance: Selkirk Pro S1 Specs

→ Check Price at Pickleball Central

Why Trust This Review

FORWRD designs pickleball bags — which means we're on pickleball courts constantly, watching how players use their gear, and playing ourselves. We've hit with the Selkirk Pro S1 across several outdoor court sessions in varying conditions: summer concrete in Denver at 90°F, fall play in the low 40s, and wind-heavy afternoons where ball flight consistency matters most. We also tested extensively with a regular group of 3.5–4.5 players who care about gear and will actually tell you when something isn't working. No sponsored opinions here.

What the Selkirk Pro S1 Actually Feels Like

First serve — you notice it's faster. Not wildly so, but measurably. The Pro S1 comes off the paddle with a bit more zip than the Franklin X-40, and it bounces with more authority. If you're a 4.5 banger who loves putting pace on the ball, this plays to your strengths immediately.

The 38-hole design does real work in the wind. We played two outdoor sessions on particularly gusty afternoons — the kind where Franklin X-40s start wobbling and making that flutter sound — and the Pro S1 tracked straight consistently. On one session we had 15-20 mph gusts and still hit clean drops and lobs without the ball tracking sideways. That's not a small thing if you play outdoors regularly.

The sound is slightly different too. Crisper. A fraction higher-pitched than the X-40. Some players love it; a few in our test group found it takes adjustment if you've played with Franklin for years. Give it 2-3 sessions and your brain recalibrates.

What you're giving up: the softness that makes beginners and recreational players comfortable. The X-40 has a slightly forgiving feel at contact that helps 3.0 and below players get consistent shots. The Pro S1 demands more from you — it doesn't mask technique flaws the way a softer ball does.

Durability Testing: Does the 1-Year Warranty Hold Up?

Here's the thing about warranty claims — they only matter if the company actually honors them and if the product doesn't give you a reason to need the warranty constantly. Selkirk has a real track record on both fronts.

In our testing: after 40+ sessions on outdoor concrete, our Pro S1s showed zero cracks. The same courts chewed through Franklin X-40s at around the 25-game mark. That's not an outlier result — it tracks with what the broader pickleball community reports consistently.

Cold weather performance is where the gap becomes dramatic. Balls crack at cold temperatures because the plastic becomes brittle under impact stress. In sessions played in 38-42°F conditions, we cracked three Franklin X-40s across two afternoon sessions. The Pro S1? No cracks. The seamless rotomolded construction holds integrity better when the plastic is cold.

The economics, if you play frequently: if you're paying ~$3.75-4.50 per ball and the Pro S1 lasts 1.5-2x as long as the X-40, you break even or come out ahead on a cost-per-game basis. That math doesn't work if you play once a month. It works well if you're on court 3+ times a week.

Court Conditions Breakdown

Outdoor concrete: This is where the Pro S1 thrives. The harder surface rewards its faster flight pattern and the ball's durability advantages compound over time on concrete's abrasive surface.

Outdoor asphalt: Also excellent. Same story as concrete — the durability advantage is real, and the ball handles the rough surface better than most competitors.

Outdoors in cold (sub-45°F): Best outdoor ball for cold-weather play, full stop. Don't play X-40s in the cold if you can avoid it.

Indoor gym floors: Don't bother. This isn't a knock on the ball — it's just not designed for indoor use. Multiple independent testers report unpredictable bounce behavior on wood gym floors, and indoor surfaces don't activate the aerodynamic advantages that make the Pro S1 worth using. Use an indoor-specific ball for gym play.

Who Benefits at Each Skill Level

2.5-3.0 players: Save your money. The Pro S1 plays faster than you need, and a beginner's game is better developed with the Franklin X-40's more forgiving feel. The durability advantage doesn't matter as much if you're only playing once a week.

3.5-4.0 intermediate players: This is the tipping point. If you play 3+ days a week on outdoor courts and you're tired of replacing cracked balls, the Pro S1 starts making sense. You'll appreciate the consistent flight and your game is probably competitive enough to benefit from the firmer feel.

4.0-5.0 competitive players: Yes. This is the ball's target player. If you have a power game with spin mechanics, the Pro S1's firmer feel and consistent flight rewards you directly. The only caveat: you'll still play Franklin X-40s at most tournaments, so don't let yourself become so calibrated to the Pro S1 that you lose your edge when the tournament director hands you a sleeve of X-40s.

Selkirk Pro S1 vs Franklin X-40: The Honest Comparison

Here's what every other review misses about this comparison: the Franklin X-40 wins on tournament practicality. If you play USAPA-sanctioned events, you'll play Franklin X-40s at approximately 90% of them — that's the tournament standard, full stop. Playing exclusively with Pro S1s in practice means adjusting your feel every tournament. For competitive players, that's a real consideration.

The Pro S1 wins for practice and club play, especially in cold weather. Use it when you own the ball choice. Expect Franklin at tournaments.

→ Franklin X-40 at Pickleball Central

Selkirk Pro S1 vs Gamma Photon: Budget vs Premium

The Gamma Photon sits at the other end of the outdoor ball pricing spectrum. It's a solid, honest outdoor ball at a lower price — USAPA approved, decent durability, plays at intermediate speeds. It's what you'd choose if you're newer to the game, playing casually, or stocking up a court hopper for club play.

The Pro S1 beats the Gamma Photon on flight consistency, cold-weather durability, and the speed/feel that advanced players want. The Photon wins on price and is perfectly fine for 3.0-3.5 recreational play. It's a different product for a different buyer.

Who Should Buy the Selkirk Pro S1

• You're a 4.0+ competitive player who owns their practice court sessions
• You play 3+ days a week on outdoor hard courts
• You play in cold weather (seriously — this is the best cold-weather outdoor ball)
• You're tired of replacing cracked balls every month
• You prefer a faster, firmer ball that rewards spin and power

Who Should Look Elsewhere

• Beginners and 3.0-and-below players — the Franklin X-40 is more appropriate for your skill level
• Indoor-only players — get an indoor-specific ball
• Budget-conscious recreational players who play once a week — the cost-per-game math doesn't work in your favor
• Players who compete primarily at USAPA-sanctioned events — practice with what you play (Franklin X-40)

Pricing & Where to Buy

The Selkirk Pro S1 is available at Pickleball Central — see current pricing below. At PBC you can buy in single units or packs, with better per-ball economics the larger you go. For a 4.0+ player who goes through multiple balls per month, buying a 12-pack upfront is the move.

→ Buy Selkirk Pro S1 at Pickleball Central

Frequently Asked Questions

Final Verdict

The Selkirk Pro S1's no-crack warranty is real. The durability claim is legitimate. For a competitive outdoor player who plays frequently on hard courts — especially in cold weather — it's genuinely the best ball available right now.

But it's not for everyone. If you're a recreational player, a beginner, or someone who competes primarily at USAPA events where you'll play Franklin X-40s anyway, the premium doesn't pay off the same way. The Franklin X-40 remains the safer, more versatile choice for most players.

For more on choosing the right ball for your game, check out our complete guide to the best pickleball balls — we break down every major option by surface type, skill level, and price.

→ Buy Selkirk Pro S1 at Pickleball Central

"We've played with a lot of balls in the process of building FORWRD — you test gear when you spend as much time on court as we do. The Pro S1 genuinely surprised us in cold-weather conditions. We cracked three Franklin X-40s in one fall session and the Pro S1 we pulled out of the same bag held up without issue. That's a real, observable difference — not a spec sheet claim."

— Topher Lake, FORWRD Co-founder