Lacrosse guide
Lacrosse Shoulder Pads Size Guide
How to size youth lacrosse shoulder pads — required for boys, optional for girls. Chest measurement and fit checks for throwing mobility.
Best next step
Check the table, then confirm the brand chart.
Photo: Jeffrey F Lin / Unsplash
Lacrosse shoulder pads are mandatory for boys lacrosse and optional in most girls programs. They differ significantly from football shoulder pads — lacrosse pads are lighter and designed to allow the full throwing motion a lacrosse player needs. Football pads are not a substitute; they restrict the arm range needed for catching, cradling, and throwing.
The fit priority for lacrosse is throwing mobility, not padding bulk. A pad that is too large rotates during throwing, either shifting off the shoulder or catching on the arm during follow-through. The shoulder cap should stay on the shoulder joint through a complete throwing motion, not just while standing still.
Editorial note
We use these guides as starting ranges, then compare the recommendation against brand charts, fit checks, and sport-specific safety rules before surfacing gear links. Read more about how our sizing works.
Spot a range that looks off, or a league rule we should mention? Tell us — corrections make these guides better for every parent.
Step 1
Find the likely size range
| Player / measurement | Starting size | Notes |
|---|---|---|
| Under 4 ft 6 in (approx. ages 5-7) | Youth XS | Check shoulder cap placement on the joint, not the upper arm. |
| 4 ft 6 in-4 ft 10 in (approx. ages 8-10) | Youth S-M | Simulate throwing motion to confirm arm clearance. |
| 4 ft 11 in-5 ft 3 in (approx. ages 11-13) | Youth L / Junior S | Check that pads do not rotate during throwing. |
| 5 ft 4 in+ (approx. ages 14+) | Junior M-L | Shoulder cap should stay on the joint through full throwing follow-through. |
Step 2
Measure before you shop
Points to measure
Lacrosse shoulder pad checkpoints
Throwing mobility is the primary fit check — lacrosse pads must allow full arm rotation.
- 1Chest circumferenceMeasure under armpits at the widest point.
- 2Shoulder capCap sits on the joint, not the upper arm, through a full throw.
- 3Throwing motionSlow-motion throw — pad should not rotate or catch on the arm.
- 1Measure chest circumference under the armpits at the widest point. Use this as the primary sizing input for brand charts.
- 2Test the throwing motion before finalizing — lacrosse pads need much fuller shoulder rotation than football pads.
Good reasons
When to size up
- Your child is between sizes and the larger size still feels controlled.
- The season is several months long and the gear is not protective headgear.
- The brand chart says the current measurement is at the top of a range.
Avoid these
Common mistakes
- Buying only for growth and making the gear hard to control.
- Skipping the brand chart because another brand fit last season.
- Ignoring league rules for bats, balls, sticks, and protective equipment.
Parent tip
Have your child do a slow throwing motion with the pads on. The shoulder cap should stay on the shoulder joint through the entire motion, not rotate toward the chest or arm.
FAQ
Is this size guaranteed to fit?
No. Treat it as a good starting point, then check the brand's official size chart before buying.
What should I do when my child is between sizes?
Consider comfort, growth, position, league rules, and whether the gear is protective. Avoid sizing up helmets without a proper chart match.
Related guides
Know your child's starting size before you shop.
Answer 4 quick questions — sport, gear type, age, and height — and get a beginner-safe size range plus what to avoid.