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Backpack

Greenroom136 Rainmaker BYC 27L

The published exterior size, capacity and empty weight—followed by a direct path to check this bag against your airline.

At a glance

Bag details

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Exterior dimensions
47 × 29 × 20 cm
18.5 in × 11.4 in × 7.9 in
Capacity
27 L
Empty weight
Unknown
Bag type
Backpack

For fit checks

Available configurations

Only the configurations listed as selectable below can be used for a definitive airline fit check.

Selectable in the checker

Standard

47 × 29 × 20 cm

Capacity: 27 L · Empty weight: Unknown

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About this model or configuration

BYC / BYC #4; 27 L size. Approximate published dimensions are consistent across the five material-specific pages.

Measurement notes

What the published size includes

Published measurement
Aproximately Width 29cm, Height 47cm, Depth 20cm.
Handles and wheels
The manufacturer does not say
Material
1000D Cordura nylon; Ecopak EPX400 laminated sailcloth (store title spells EXP400); X-Pac VX42 laminated sailcloth; X50 Multicam Black laminated cloth; 10.10 oz Army Duck with Martexin Original Wax canvas (preorder through 2026-10-11).
Structure
Unknown

BagCheck compares the three exterior measurements in the best physical orientation. It does not invent a missing axis label or assume that unknown protrusions are included.

Source

Where these details came from

Last checked
Evidence
Greenroom136 BYC #4 official material-specific pages observed 2026-09-24. All five editions publish the same approximate 27 L H × W × D envelope. Material editions and edition-specific SKUs are documented as choices, not separate physical records. Manufacturer starting weight 1.8 kg is not an exact empty weight for every custom build; canonical weight remains unknown. Optional add-ons have no measured alternate envelope. Older Rainmaker sizes and held pre-BYC identities remain distinct and unchanged.

View manufacturer source ↗