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Neptune Slip-On

$75
Swellsole Neptune Slip-On - Black/White - Right Side View
Neptune Slip-On facing right on a foot, featuring breathable mesh upper and cushioned white sole for beach comfort.
Top and side view of black Neptune Slip-On men's shoe with breathable mesh upper and cushioned orange insole, facing right.
Neptune Slip-On men's slip-on shoes showing top mesh upper and right shoe side with cushioned sole, beach-inspired comfort.
Neptune Slip-On men's black and white shoe facing left, showing breathable mesh upper and cushioned sole close-up.
Top view of black and white Neptune Slip-On shoes with orange insoles, featuring breathable mesh and comfortable cushioning.
Neptune Slip-On men's black slip-on shoe facing back with cushioned heel and lightweight, breathable upper material.
Swellsole Neptune Slip-On - Black/White - Left Side View
Swellsole Neptune Slip-On - Black/White - Underside View
Neptune Slip-On shoe, right side view showing lightweight breathable upper and memory foam sockliner features.
Size 8
$75

Neptune Slip-On

Men's Comfort Sneakers

4.5
Rated 4.5 out of 5 stars
26
$75

Neptune Slip-On

Men's Comfort Sneakers

4.5
Rated 4.5 out of 5 stars
26
$75
Size 8
Neptune Slip-On
Neptune Slip-On
$75
Free Shipping

Free Shipping

Orders $65+ ship free

Easy Returns

Easy Returns

30 days to return or exchange

Trusted Since 1984

Trusted Since 1984

10,000+ ★★★★★ reviews & decades of comfort

Neptune Slip-On

Fit Information (Based on 26 reviews )

4.5
Rated 4.5 out of 5 stars
Based on 26 reviews
Total 5 star reviews: 20
Total 4 star reviews: 2
Total 3 star reviews: 2
Total 2 star reviews: 2
Total 1 star reviews: 0
FitRated -0.4 on a scale of minus 2 to 2
WidthRated -0.2 on a scale of minus 2 to 2
ComfortRated 4.6 on a scale of 1 to 5
QualityRated 4.6 on a scale of 1 to 5
StyleRated 4.8 on a scale of 1 to 5
Select A Topic To Learn More
26 reviews
  • Robert M.
    Verified Buyer
    Reviewing
    Neptune Slip-On Black/White / 11
    I do not recommend this product
    Gender Male
    Did you order your normal size? Normal size
    Rated 2 out of 5 stars
    August 2, 2026
    Comfortability

    Bottom of the shoe is comfortable, but the sides of shoe not comfortable and not what I expected

    FitRated -1.0 on a scale of minus 2 to 2
    WidthRated -2.0 on a scale of minus 2 to 2
    ComfortRated 2.0 on a scale of 1 to 5
    QualityRated 3.0 on a scale of 1 to 5
    StyleRated 4.0 on a scale of 1 to 5
    Was this helpful?
  • Kirwin B.
    Verified Buyer
    Reviewing
    Neptune Slip-On Black/White / 13
    Gender Male
    Did you order your normal size? Normal size
    Rated 3 out of 5 stars
    July 11, 2026
    Not pleased

    Too tight

    FitRated -2.0 on a scale of minus 2 to 2
    WidthRated -2.0 on a scale of minus 2 to 2
    ComfortRated 3.0 on a scale of 1 to 5
    QualityRated 5.0 on a scale of 1 to 5
    StyleRated 5.0 on a scale of 1 to 5
    Was this helpful?
  • Jeff
    Reviewing
    Neptune Slip-On Black/White / 12
    I recommend this product
    Rated 5 out of 5 stars
    June 25, 2026
    5 Stars

    Sucks they only go up to 12's a lil tight at toes but feels like walking on clouds will order again in future

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Description

No laces. No delay. The SWELLsole Neptune Slip-On brings a zero-fuss fit to your daily rotation with lightweight cushioning, a breathable knit upper, and extremely cushioned insole that adapts with every step. The ultra-responsive EVA midsole keeps rebound locked in, while the collapsible heel makes getting out the door even faster. Travel days, packed schedules, or just staying light on your feet—this slip-on’s ready for all of it.
Features & Benefits

Upper

  • Crush-Back Heel
    The crush-back heel lets you easily slip the shoe on or off, giving you flexible comfort that’s perfect for travel or everyday wear.
  • Lightweight Comfort
    Ultra-light design reduces foot fatigue and keeps you comfortable all day.
  • Breathable Materials
    Breathable design helps promote airflow to keep your feet cool and comfortable.

Footbed

  • Extra Cushion
    Plush, high-impact cushioning absorbs impact with every step, delivering plush comfort and easing pressure on your feet and knees.

Product Details

  • Lightweight and breathable engineered knit upper keeps you cool and collected
  • Slip-on style makes getting in and out seamless
  • Extremely cushioned insole molds to your foot for instant, cushioned support
  • Flexible EVA outsole keeps every step light and responsive, so you stay comfortable on the go

Item: CJ8414

Material & Care
Textile + Genuine Suede (Animal-Derived)
  • Use a soft, dry cloth to remove loose dirt.
  • Mix a small amount of mild clear soap with warm water.
  • Gently clean the fabric using a soft sponge dipped in the solution.
  • Rinse the sponge with clean water and remove any remaining soap from the material.
  • Allow to air dry in the shade at room temperature.
  • For genuine leather (suede or nubuck), gently brush the surface with a soft-bristled brush to remove dirt and debris, clean nubuck or suede using a nubuck/suede-safe or leather-safe cleaner, following the product’s instructions, brush lightly in one direction to maintain the texture of the material, allow to air dry in the shade at room temperature.


    • Avoid:
  • Machine washing unless specifically stated on the product.
  • Bleach or harsh detergents.
  • Direct heat or prolonged sunlight while drying.
  • Always test any cleaning method on a small, hidden area before cleaning the entire product.

Shipping & Returns

REEF offers free shipping on all orders over $65. Returns or Exchanges are available within 30 days of your order delivery date. See returns page for more details.

Key Features:

Pair of black slip-on shoes angled right showing mesh upper, cushioned orange insole, and lightweight white sole for all-day comfort

Slip On & Go

Slip-on design makes getting out the door faster, with a clean build that keeps pace wherever you're headed.
Close-up of right-facing slip-on shoe with breathable knit upper and soft-rebound cushioned orange insole for comfort

Light On Your Feet

Breathable knit uppers and a flexible EVA outsole combine for a cushioned, barely-there feel on the move.
Top view of pair of dark slip-on shoes showing breathable knit upper and bright orange cushioned insoles for comfort

All-Day Comfort

Plush memory foam molds to your foot for all-day cushioned support.

Reviews

4.5
Rated 4.5 out of 5 stars
Based on 26 reviews
Total 5 star reviews: 20
Total 4 star reviews: 2
Total 3 star reviews: 2
Total 2 star reviews: 2
Total 1 star reviews: 0
FitRated -0.4 on a scale of minus 2 to 2
WidthRated -0.2 on a scale of minus 2 to 2
ComfortRated 4.6 on a scale of 1 to 5
QualityRated 4.6 on a scale of 1 to 5
StyleRated 4.8 on a scale of 1 to 5
Select A Topic To Learn More
26 reviews
  • Robert M.
    Verified Buyer
    Reviewing
    Neptune Slip-On Black/White / 11
    I do not recommend this product
    Gender Male
    Did you order your normal size? Normal size
    Rated 2 out of 5 stars
    August 2, 2026
    Comfortability

    Bottom of the shoe is comfortable, but the sides of shoe not comfortable and not what I expected

    FitRated -1.0 on a scale of minus 2 to 2
    WidthRated -2.0 on a scale of minus 2 to 2
    ComfortRated 2.0 on a scale of 1 to 5
    QualityRated 3.0 on a scale of 1 to 5
    StyleRated 4.0 on a scale of 1 to 5
    Was this helpful?
  • Kirwin B.
    Verified Buyer
    Reviewing
    Neptune Slip-On Black/White / 13
    Gender Male
    Did you order your normal size? Normal size
    Rated 3 out of 5 stars
    July 11, 2026
    Not pleased

    Too tight

    FitRated -2.0 on a scale of minus 2 to 2
    WidthRated -2.0 on a scale of minus 2 to 2
    ComfortRated 3.0 on a scale of 1 to 5
    QualityRated 5.0 on a scale of 1 to 5
    StyleRated 5.0 on a scale of 1 to 5
    Was this helpful?
  • Jeff
    Reviewing
    Neptune Slip-On Black/White / 12
    I recommend this product
    Rated 5 out of 5 stars
    June 25, 2026
    5 Stars

    Sucks they only go up to 12's a lil tight at toes but feels like walking on clouds will order again in future

    Was this helpful?
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