303ZXL Extra Large EZ-On Adjustable Vest 43-49" Chest

Spec sheet

Collected from 3 supplier pages - confirm fit with the supplier before ordering.

The 303Z is the ideal choice for use in all types of vehicles. The vest's rear zipper closure can help prevent passengers from accidently or deliberately removing their vest during transport. This vest contains 3 zipper options, and adjustability through the shoulders, allowing the product to grow with the passenger. The 303Z is a great option for anyone looking for a safe, secure way to transport a wide variety of children. - 303Z-XL - Replaces Part # 103Z-XL - Small adjustable zipper vest with loops for ALL vehicles - Waist Size: 43" - 49" - Rear Zipper Closure with 3 zipper options and adjustable at shoulders for growing passengers - With sewn-on loops for seat belt to feed through when using a 100TM in a family vehicle - Meets FMVSS213 - For use by passengers over 31lbs.and over - Vests sized XS – M come with crotch straps meeting NHTSA guidelines. - When heavy clothing, like winter jackets, are worn, the vest must be worn underneath. - Register this transportation vest to be notified of a safety recall - Do not use with non-Ez-On Mounts - Recommended replacement after 6 years. Note: This vest does NOT include a mount, it must be purchased separately.

Suppliers (4)

• BPW Direct

  303ZXL Extra Large EZ-On Adjustable Vest 43-49" Chest · In stock

  Checked Oct 28, 2026
  $86.73
  View at supplier
• TAC Bus Parts

  303Z-XL EZ-On Adjustable Vest Only 43" - 49" · In stock

  Checked Oct 29, 2026
  $92.00
  View at supplier
• Unity School Bus Parts

  303Z-XL, Ez-On Extra Large School Bus and Family Vehicle Adjustable Vest · In stock

  Checked Oct 27, 2026
  $96.10
  View at supplier
• Midwest Bus Parts

  Adjustable Vest Only (303Z-XL), X-Large W/Seat Belt Loops · In stock

  Checked Oct 28, 2026
  $99.49
  View at supplier

Specifications and fitment

Waist Size

43" - 49"

Replaces Part

# 103Z-XL

Usage

For use by passengers over 31lbs.

Size

X-Large

Chest Measurement

43" – 49"

Crotch Strap

Included on sizes XS, S, M

Available Sizes

XS, S, M, L, XL

Features

• Adjustable zipper vest with loops for ALL vehicles
• Rear Zipper Closure with 3 zipper options
• Adjustable at shoulders for growing passengers
• Sewn-on loops for seat belt
• Meets FMVSS213
• Recommended replacement after 6 years
• Can be used in School Bus or Family Vehicle
• EZ-ON mount required
• Custom sizing available
• Sizing according to Chest measurement: XS 18″ – 24″, S 25″ – 32″, M 32″ – 37″, L 37″ – 43″, XL 43″ – 49″

Fits

• Compatible with 100SMU - Seat Mount (School Bus Transportation)
• Compatible with 100TM - Tether Mount (Family Vehicle Transportation)
• Compatible with 100FM - Floor Mount (School Bus or Family Vehicle Transportation)
• Compatible with 100WC - Wheel Chair Mount
• School Bus
• Family Vehicle

Price history