How to Choose Hockey Stick Flex — For Outdoor Players Who Actually Want to Know

 

Everyone tells you to divide your body weight by two. That's a starting point, not an answer. Here's what the formula misses — especially if you play street, ball, or pond hockey instead of arena ice.

Chirp Sticks

Updated April 2026 · 10 min read · The Outdoor Hockey Journal

You've seen the advice a hundred times. Body weight divided by two. A 160-pound player should use an 80 flex. A 140-pound player starts at 70. The formula is everywhere — HockeyMonkey, Ice Warehouse, every gear guide on the internet says the same thing.

The problem is that this advice was written for arena ice hockey. If you're playing street hockey with the Street Twig, pond hockey with the Pond Twig, or suiting up with the Silky Mitts 2.0 for a cold outdoor session — you're playing in a different environment with different physics. The formula still applies as a starting point. But there's a layer the standard guides skip, and it matters more for outdoor players than any other group.

This guide covers hockey stick flex from the ground up — what it actually is, how it works, why outdoor hockey players should think about it differently than ice players, and how to find the right number for your game. We build outdoor hockey sticks, so we've had to work through this properly rather than just repeating the formula.

The Basics

What Hockey Stick Flex Actually Means

Flex is simple to define and easy to overthink. The flex rating on a hockey stick tells you exactly how many pounds of force it takes to bend the shaft one inch when pressure is applied to its midpoint. A 75 flex stick requires 75 pounds of force to deflect the shaft one inch. A 50 flex stick requires 50 pounds. Higher number means stiffer stick. Lower number means more flexible stick.

What flex does during a shot is the part that matters. When you shoot, you press the blade into the surface — ice, asphalt, concrete — and load the shaft against that resistance. The stick bends, storing potential energy in the flexed shaft the way a bow stores energy when you pull the string. At the release point, that stored energy transfers into the puck or ball, adding to the velocity of your shot. A properly matched flex lets you complete this load-and-release cycle efficiently. A flex that's too stiff means you can't load the shaft properly and the energy transfer is incomplete. A flex that's too soft means the shaft over-bends and the energy bleeds off before it transfers into the shot.

That's the whole mechanism. The controversy around flex isn't really about the science — it's about how players apply it to their actual situations, which vary enormously by position, playing style, surface, and individual strength.

The Chart

Hockey Stick Flex Chart — Outdoor Hockey Edition

Below is the standard flex chart adapted for outdoor hockey players. Note the Chirp column — this reflects the available flex options on the Street Twig and how they map to different player types in real outdoor conditions.

Why Chirp only offers 40, 50, and 75

Ice hockey sticks come in every flex from 65 to 110 because ice players have highly specific requirements based on position, shot type, and individual mechanics. Outdoor hockey — street, ball, pond — involves a narrower range of play styles where three well-chosen flex options cover the vast majority of players effectively. The 50 flex is the right starting point for most adult outdoor players. The 40 covers lighter players and developing players. The 75 handles power players who really load up.

The Part Nobody Explains

Why Outdoor Hockey Players Need Different Flex Than Ice Players

This is the section that most flex guides skip entirely, and it's the most important one for street and outdoor hockey players.

"Outdoor surfaces create friction. Friction slows the blade during your shot. And that changes everything about how your stick loads."

Chirp Sticks — Minnesota Outdoor Hockey

 

When you take a wrist shot or snap shot on ice, the blade glides across a smooth, lubricated surface. There's minimal resistance as you pull the blade through the shooting motion. This allows the full load-release cycle to happen efficiently — the blade loads against the ice friction, the shaft stores energy, the blade comes through cleanly, the energy transfers into the puck.

On asphalt or concrete, that same motion encounters dramatically more surface resistance. The rough outdoor surface slows your blade as it moves through the shot. More friction means it's harder to complete the same shooting motion with the same force. The practical effect is that the same flex stick that loads easily on ice will feel noticeably stiffer when you use it outdoors — your body generates the same force, but a larger portion of it goes into overcoming the surface friction rather than loading the shaft.

The solution is to go slightly lower on flex for outdoor play than you would for equivalent ice play. Not dramatically — 5 to 10 flex points lower is usually enough to compensate for the surface difference. A player who games an 85 flex on ice will often find a 75 flex performs better for outdoor street hockey. A player who uses a 75 on ice may find a 65-70 equivalent works better outdoors — which puts them squarely in the Street Twig's 50 flex range.

The most common outdoor flex mistake

Using your ice hockey stick flex outdoors without adjusting. We see this constantly. A player games an 85 flex on ice, grabs the same stick for a summer street game, and wonders why their shot feels weak and inconsistent. The stick isn't broken — the flex is wrong for the surface. Go lower for outdoor play. The Street Twig's 75 flex is the right choice for players who game high-flex ice sticks, not because of body weight math but because of surface physics.

Find Your Flex

Which Flex for Which Outdoor Player

Forget the formula for a moment. Here's how to think about flex based on who you are as an outdoor hockey player — because playing style and session length matter as much as body weight for outdoor play.

Important Factor

Cutting Your Stick Changes the Flex

This is the most overlooked practical flex consideration, and it catches players off guard regularly. When you cut a hockey stick shorter, you make it stiffer. The physics are straightforward — removing length from the shaft changes the leverage point and increases the effective stiffness of what remains.

The general rule: every 1 inch you cut off the shaft increases the effective flex by approximately 3 to 5 points. Cut 2 inches off a 50 flex stick and it plays closer to a 56-60 flex. Cut 3 inches and you're approaching a 60-65 flex — potentially stiffer than you wanted. This matters particularly for players who are between sizes or who prefer a shorter stick.

The practical implication: if you know you're going to cut a stick shorter, buy the next flex down to compensate. If you'd normally buy a 75 flex but plan to cut 2-3 inches, consider the 50 flex instead — after cutting, it will play closer to your target flex than the 75 would after the same cut.

Street Twig lengths — choosing without cutting

The Street Twig comes in three length options that eliminate the need for most cuts: 40 flex at 56" for lighter/shorter players, 50 flex at 59" for most adults, and 75 flex at 66" for taller/bigger players. Choosing the right length option upfront preserves the stick's engineered flex profile. If you need to cut, go 5-10 flex lower than your target to compensate.

What to Avoid

The Three Flex Mistakes Outdoor Players Make

Using what the pros use. NHL forwards regularly use sticks in the 75-90 flex range. NHL defensemen trend 85-100. These are professional athletes generating force that recreational players simply don't match. A recreational outdoor player using a 100 flex stick because their favorite pro uses it is working against themselves — they can't load the shaft properly, energy transfer is incomplete, and their shot suffers. The ego flex is real and it hurts your game.

Using ice hockey flex outdoors without adjusting. We've covered this — outdoor surfaces change the equation. If you're taking your ice stick outdoors and wondering why your shot feels wrong, the flex is probably too stiff for the surface. Go lower. The surface friction costs you effective flex points and you need to compensate.

Cutting a stick and keeping the same flex expectation. Covered above — cutting increases stiffness. Buy lower flex if you plan to cut. This is especially relevant for parents buying sticks for kids — buying a senior stick and cutting it dramatically creates a stick that's stiffer than the child can properly load, limiting their shot development.

The honest flex test

The best way to know if your flex is right: take a wrist shot at medium effort and watch where the stick loads. If the stick barely bends — flex is too stiff. If it over-bends dramatically — flex is too soft. The sweet spot is visible, controlled bend through the mid section of the shaft, releasing cleanly at contact. For outdoor play on the Street Twig, start with the 50 flex if you're unsure — it's the right call for most adult outdoor players.

 

Questions We Hear All the Time

Hockey stick flex guide — where do I actually start?

Hockey stick flex starts with body weight divided by two — that's your ice hockey baseline. For outdoor and street hockey, subtract 5-10 from that number to account for surface friction. If you're 160 pounds, your ice starting point is 80 flex. For outdoor play on asphalt, a 70-75 flex equivalent is more appropriate — which puts you in the Street Twig's 50 flex range for most adult outdoor players. When in doubt on the Street Twig, start with the 50 flex. Most adult outdoor players find it the right call.

Hockey stick flex for street hockey — is it different from ice?

Yes, street hockey flex should be lower than your ice hockey equivalent. Asphalt and concrete create significantly more blade friction during a shot than smooth ice. That friction slows your blade through the shooting motion and reduces the effective force you can put into loading the shaft. Going 5-10 flex lower than your ice equivalent compensates for this. A player who games an 85 flex on ice should consider a 75 flex for outdoor street play — which aligns with the Street Twig's 75 flex option for stronger players.

What flex do I need for pond hockey in cold weather?

Cold weather affects your body mechanics, not the carbon fiber stick itself. Carbon fiber has no moisture-absorbing properties and is completely unaffected by cold temperatures — the Pond Twig performs identically at -15°F as it does at 50°F. What changes in cold weather is your body: hands are less nimble in cold gloves, and your overall movement is slightly restricted by layers. Many pond hockey players find going slightly lower on flex than their normal outdoor choice helps compensate for reduced body mechanics in cold conditions. The 50 flex on the Street Twig is a good all-weather outdoor starting point.

Does flex matter for stickhandling or just shooting?

Flex primarily affects shooting — stickhandling is more about blade feel and weight. During stickhandling, you're not loading the shaft enough for the flex to be a major performance factor. Where flex matters for stickhandling is in the feel of the stick as a whole — a stiffer stick feels less responsive in the hands, which some players find affects their confidence with the puck or ball. For outdoor hockey where the ball is larger and slower than a puck, the flex impact on stickhandling feel is less pronounced than it is on ice. The weight advantage of carbon fiber — at 400g for the Street Twig — matters more for stickhandling than flex.

What flex do kids need for outdoor hockey?

Kids need significantly lower flex than adults — and this is where the most expensive mistakes happen. Parents buy a stick that looks right and is too stiff for the child to properly load. A child who can't load their stick properly develops compensating mechanics that limit their shot development. For outdoor hockey specifically, the Street Twig's 40 flex (56") is appropriate for lighter or younger players — it loads easily enough for smaller players to complete the full load-release cycle on outdoor surfaces, helping them develop proper mechanics rather than fighting the stiffness of an oversized flex.

Does the Lumber Guarantee cover all flex options on the Street Twig?

Yes — the Lumber Guarantee covers all flex options on the Street Twig: the 40, 50, and 75 flex. It's a $40 add-on at checkout that entitles you to one free replacement stick for any reason, at any time, with no time limit. If your stick breaks during play, gets lost, or you decide you want to try a different flex after playing with your current one — the Guarantee covers it. It's how we stand behind the gear we make for outdoor hockey players who actually use their sticks hard.