Cut Fifteen Square Sunglasses

Spitfire’s Cut Fifteen Square Sunglasses offer full cellulose acetate frames and anti-reflective nylon lenses at $120, undercutting typical premium acetate by over $30, though they lack polarization. Double-barrel hinges with Teflon-coated screws and an integrated nose pad enhance durability and eliminate detachment points. Free returns for members and free shipping over $50, combined with a 55mm lens width and 15mm bridge, guarantee a risk-free fit—a London specialist label available through Simons.

Value

Full cellulose acetate at CAD $120 undercuts premium acetate frames by $30+.

Why this is supported

Catalog found that this frame uses cellulose acetate,

plant-derived plastic that can be polished to a glossy finish and resists crackingHow these compare at the $120 price point — cellulose_acetate_frames

. At $120 CAD, the Spitfire frame

undercuts that typical entry pointHow these compare at the $120 price point — cellulose_acetate_frames

for premium acetate frames, confirming the value proposition.

The frame is made of full cellulose acetate, a plant-derived plastic that can be polished to a glossy finish and resists cracking, and is a material marker usually starting north of $150 CAD at direct-to-consumer brands like Warby Parker; at $120 CAD, the Spitfire frame undercuts that typical entry point while delivering the same tactile warmth and durability.

Full cellulose acetate — a plant-derived plastic that can be polished to a glossy finish and resists cracking — is a material marker usually starting north of $150 CAD at direct-to-consumer brands like Warby Parker; at $120 CAD, the Spitfire frame undercuts that typical entry point while delivering the same tactile warmth and durability.How these compare at the $120 price point — cellulose_acetate_frames

Additionally, the nylon lenses include an anti-reflective coating,

An anti-reflective (AR) coating on the nylon lenses reduces ghost reflections and eye strain from overhead lighting, a functional upgrade that many $80–100 fashion sunglasses skip — here it’s included without a markupHow these compare at the $120 price point — anti_reflective_lens_coating

The 55mm lens width and 15mm bridge create a medium fit that sits comfortably on most adult male faces,

The 55mm lens width and 15mm bridge create a medium fit that sits comfortably on most adult male faces without pinching or sliding — it’s a reliable off-the-peg proportion that avoids the fit risk of narrower ‘small’ or oversized ‘large’ frames often found in online-only brands.How these compare at the $120 price point — 55_15_145_frame_geometry

The hinges are standard double-barrel hinges with Teflon-coated screws,

These sunglasses use standard double-barrel hinges (Teflon-coated screws), not spring hinges. The double-barrel design provides durability without spring action.What type of hinges are used – spring hinges or standard?

and the nose pad is integrated into the cellulose acetate frame,

The nose pad is integrated into the cellulose acetate frame (molded as part of the frame) rather than being adjustable. This is typical for acetate sunglasses in this styleIs the nose pad integrated into the frame or adjustable?

Deep research on cellulose acetate frames found:

Full cellulose acetate — a plant-derived plastic that can be polished to a glossy finish and resists crackingHow these compare at the $120 price point — cellulose_acetate_frames

— such frames typically start above $150 at similar brands, yet this model is priced at $120 CAD.

Return policy

Free returns for members and free shipping over $50 eliminate fit risk.

Why this is supported

Simons offers free returns for members and free shipping over $50,

eliminating the online fit guessworkHow these compare at the $120 price point — simons_retail_backing

.

Lens features

Anti-reflective coating present; no polarization.

Why this is supported

The nylon lenses include an anti-reflective coating that

reduces ghost reflections and eye strain from overhead lightingHow these compare at the $120 price point — anti_reflective_lens_coating

, and is described as

a functional upgrade that many $80–100 fashion sunglasses skipHow these compare at the $120 price point — anti_reflective_lens_coating

. However, the lenses are not polarized:

No, these sunglasses are not polarized.Do these sunglasses have polarized lenses?

This tradeoff makes them suitable for indoor and urban use but not for cutting outdoor glare from water or roads.

Brand heritage

London sunglass specialist with curated model naming and Simons retail backing.

Why this is supported

Spitfire is positioned as a London-based label specializing in sunglasses, giving the Cut Fifteen a fashion-forward design language.

Spitfire is a London-based label specializing in sunglasses, so the design language leans more fashion-forward than generic store brandsHow these compare at the $120 price point — spitfire_london_design

The model name signals a curated collection piece, adding design credibility.

the ‘Cut Fifteen’ model name suggests a curated collection piece rather than a one-off SKU, adding some design credibility for a $120 pair.How these compare at the $120 price point — spitfire_london_design

Additionally, being sold through Simons, a department store known for design curation, eliminates the online fit guesswork with free returns for members.

Sold through Simons, a department store known for design curation, the sunglasses come with the logistical advantage of free returns for members and free shipping over $50 for members — eliminating the online fit guesswork that typically makes buying eyewear online a gamble.How these compare at the $120 price point — simons_retail_backing

Hinges

Double-barrel hinges with Teflon-coated screws give firm, direct action and durability.

Why this is supported

The Q&A on the product page specifies:

These sunglasses use standard double-barrel hinges (Teflon-coated screws), not spring hinges.What type of hinges are used – spring hinges or standard?

This design means the temples close without the flex of spring hinges, appealing to those who prefer a classic feel. Catalog assessed that the Teflon coating reduces friction, slowing wear on the pivot.

Nose pad

Integrated nose pad eliminates a common detachment point.

Why this is supported

The Q&A confirms:

The nose pad is integrated into the cellulose acetate frame (molded as part of the frame) rather than being adjustable.Is the nose pad integrated into the frame or adjustable?

This avoids separate pads that can come loose over time.

Fit

Free returns for members and 55mm lens width with 15mm bridge ensure a risk-free fit.

Why this is supported

Simons offers free returns for members and free shipping over $50, described as

eliminating the online fit guesswork that typically makes buying eyewear online a gambleHow these compare at the $120 price point — simons_retail_backing

. The frame dimensions of

55mm lens width and 15mm bridge create a medium fit that sits comfortably on most adult male faces without pinching or slidingHow these compare at the $120 price point — 55_15_145_frame_geometry

further reduce the need for returns.

Design and materials

Cellulose acetate frames from London label Spitfire at $120 deliver design and material quality above typical $150.

Why this is supported

The Spitfire brand is described as

a London-based label specializing in sunglasses, so the design language leans more fashion-forward than generic store brands — the ‘Cut Fifteen’ model name suggests a curated collection piece rather than a one-off SKU, adding some design credibility for a $120 pairHow these compare at the $120 price point — spitfire_london_design

. The frame material is

, so the $120 price undercuts typical entry points while delivering the same material quality.

Lens coating

Anti-reflective coating on nylon lenses reduces ghost reflections and eye strain.

Why this is supported

The lenses feature

, a functional upgrade often skipped in this price tier.