Born Slippy™ - The wetsuit, without compromise.

We believe the ocean demands fewer, better things.

The Aptus 1.0 is the culmination of several years of rigorous development, designed to bridge the gap between thermal efficiency and unrestricted movement. We erased the industry-standard compromises between warmth and weight, craftsmanship and scale. This is not off-the-rack; it is a precision instrument built for your exact physiology using the best materials possible.

We are not chasing O’Neill, Rip Curl, or Billabong on volume and we never will. One product. One 1,000-unit global allocation. Built to be the best wetsuit on the planet, not the most wetsuits on the planet.

When you reserve an Aptus 1.0, you receive a single, individually serialised object, backed by direct dispatches and dedicated support. Distributed exclusively through our factory.

The anatomy of the Aptus 1.0.

Uncompromising materials, radical engineering, and absolute fit.

Yamamoto branded neoprene, close — Yamamoto Limestone Neoprene.

Pinnacle of wetsuit performance, premium Japanese #40 and #39 closed cell nitrogen Limestone Neoprene.
Absorbs less than 2% water weight, making your suit lighter in the wave and noticeably faster drying between sessions.
Structural integrity that retains its shape, warmth, and elasticity over multi season wear without thinning or stiffening.

Blindstitched seam, close — GBS triple-taped seams.

GBS, glued and blindstitched, with triple-taped seams for maximum warmth, flexibility and durability.
Creates a completely impermeable barrier that blocks ice cold water ingress at every stitch line.
Total warmth retention and seam flexibility that eliminates paddle restriction and prevents seam tearing under heavy wipeouts.

Thermal lining matrix, close — Micro-Chamber Thermal Insulation.

Integrated into the torso panels, the engineered chamber structure is designed to support thermal insulation without relying on conventional bulky fleece linings.
Combined with premium Yamamoto neoprene and a made-to-measure fit, the construction forms part of our approach to technical performance.
Developed and refined through real-world testing with Andrew Cotton.

Surfer floating, suit under load — 26 Point Anatomical Profile.

Tailored pattern cut specifically to your unique body dimensions and muscle contours.
Eliminates dead air space, underarm pulling, and lower back rubber bunching.
Absolute elimination of cold water flushing, giving you a custom second skin feeling in peak surf conditions.
Made to your individual measurements, with every profile checked by Born Slippy before production.

Neoprene flexed through a full curl — 180° Shoulder Articulation.

Seamless upper torso pattern cut to match the full rotational arc of your paddling stroke.
Designed to minimise rubber pull through the full range of motion, along with chest compression and shoulder fatigue on long paddle outs.
Zero resistance at maximum extension, allowing you to stay in the water longer with uncompromised paddling power.

Surfer on the shoreline — Capped Production Engine.

Capped at 1,000 total units worldwide, allocated as production capacity allows. When unit 1,000 ships, the Aptus 1.0 line ends.
Guarantees total quality control, zero factory rush jobs, and zero commercial overproduction.
You own a rare, bespoke piece of high performance equipment rather than a mass market commodity.

Size	Height	Weight	Chest	Waist
S Short	165–170 cm5'5"–5'7"	61–68 kg135–150 lb	91–97 cm36–38 in	74–79 cm29–31 in
S Regular	170–175 cm5'7"–5'9"	64–70 kg140–155 lb	91–97 cm36–38 in	74–79 cm29–31 in
S Tall	175–180 cm5'9"–5'11"	66–73 kg145–160 lb	91–97 cm36–38 in	74–79 cm29–31 in
M Short	170–175 cm5'7"–5'9"	70–77 kg155–170 lb	97–102 cm38–40 in	79–84 cm31–33 in
M Regular	175–180 cm5'9"–5'11"	73–79 kg160–175 lb	97–102 cm38–40 in	79–84 cm31–33 in
M Tall	180–185 cm5'11"–6'1"	75–82 kg165–180 lb	97–102 cm38–40 in	79–84 cm31–33 in
L Short	175–180 cm5'9"–5'11"	79–86 kg175–190 lb	102–107 cm40–42 in	84–89 cm33–35 in
L Regular	180–185 cm5'11"–6'1"	82–88 kg180–195 lb	102–107 cm40–42 in	84–89 cm33–35 in
L Tall	185–190 cm6'1"–6'3"	84–91 kg185–200 lb	102–107 cm40–42 in	84–89 cm33–35 in
XL Short	175–183 cm5'9"–6'0"	88–98 kg195–215 lb	107–112 cm42–44 in	89–94 cm35–37 in
XL Regular	183–190 cm6'0"–6'3"	88–98 kg195–215 lb	107–112 cm42–44 in	89–94 cm35–37 in
XL Tall	188–196 cm6'2"–6'5"	91–100 kg200–220 lb	107–112 cm42–44 in	89–94 cm35–37 in
XXL Regular	185–193 cm6'1"–6'4"	98–107 kg215–235 lb	112–117 cm44–46 in	94–99 cm37–39 in

Size

Height

Weight

Chest

Waist

S Short

165–170 cm5'5"–5'7"

61–68 kg135–150 lb

91–97 cm36–38 in

74–79 cm29–31 in

S Regular

170–175 cm5'7"–5'9"

64–70 kg140–155 lb

91–97 cm36–38 in

74–79 cm29–31 in

S Tall

175–180 cm5'9"–5'11"

66–73 kg145–160 lb

91–97 cm36–38 in

74–79 cm29–31 in

M Short

170–175 cm5'7"–5'9"

70–77 kg155–170 lb

97–102 cm38–40 in

79–84 cm31–33 in

M Regular

175–180 cm5'9"–5'11"

73–79 kg160–175 lb

97–102 cm38–40 in

79–84 cm31–33 in

M Tall

180–185 cm5'11"–6'1"

75–82 kg165–180 lb

97–102 cm38–40 in

79–84 cm31–33 in

L Short

175–180 cm5'9"–5'11"

79–86 kg175–190 lb

102–107 cm40–42 in

84–89 cm33–35 in

L Regular

180–185 cm5'11"–6'1"

82–88 kg180–195 lb

102–107 cm40–42 in

84–89 cm33–35 in

L Tall

185–190 cm6'1"–6'3"

84–91 kg185–200 lb

102–107 cm40–42 in

84–89 cm33–35 in

XL Short

175–183 cm5'9"–6'0"

88–98 kg195–215 lb

107–112 cm42–44 in

89–94 cm35–37 in

XL Regular

183–190 cm6'0"–6'3"

88–98 kg195–215 lb

107–112 cm42–44 in

89–94 cm35–37 in

XL Tall

188–196 cm6'2"–6'5"

91–100 kg200–220 lb

107–112 cm42–44 in

89–94 cm35–37 in

XXL Regular

185–193 cm6'1"–6'4"

98–107 kg215–235 lb

112–117 cm44–46 in

94–99 cm37–39 in

Size	Height	Weight	Chest	Waist
4	152–160 cm5'0"–5'3"	43–50 kg95–110 lb	76–81 cm30–32 in	56–61 cm22–24 in
6	157–165 cm5'2"–5'5"	48–54 kg105–120 lb	79–84 cm31–33 in	58–64 cm23–25 in
8	163–170 cm5'4"–5'7"	52–59 kg115–130 lb	81–86 cm32–34 in	61–66 cm24–26 in
8 Tall	168–175 cm5'6"–5'9"	54–61 kg120–135 lb	81–86 cm32–34 in	61–66 cm24–26 in
10	168–173 cm5'6"–5'8"	57–64 kg125–140 lb	86–91 cm34–36 in	66–71 cm26–28 in
10 Tall	170–178 cm5'7"–5'10"	59–66 kg130–145 lb	86–91 cm34–36 in	66–71 cm26–28 in
12	170–175 cm5'7"–5'9"	59–70 kg130–155 lb	91–97 cm36–38 in	71–76 cm28–30 in
12 Tall	173–180 cm5'8"–5'11"	64–75 kg140–165 lb	91–97 cm36–38 in	71–76 cm28–30 in
14	173–180 cm5'8"–5'11"	66–75 kg145–165 lb	97–102 cm38–40 in	74–79 cm29–31 in
16	175–183 cm5'9"–6'0"	70–79 kg155–175 lb	102–107 cm40–42 in	79–84 cm31–33 in

Size

Height

Weight

Chest

Waist

152–160 cm5'0"–5'3"

43–50 kg95–110 lb

76–81 cm30–32 in

56–61 cm22–24 in

157–165 cm5'2"–5'5"

48–54 kg105–120 lb

79–84 cm31–33 in

58–64 cm23–25 in

163–170 cm5'4"–5'7"

52–59 kg115–130 lb

81–86 cm32–34 in

61–66 cm24–26 in

8 Tall

168–175 cm5'6"–5'9"

54–61 kg120–135 lb

81–86 cm32–34 in

61–66 cm24–26 in

168–173 cm5'6"–5'8"

57–64 kg125–140 lb

86–91 cm34–36 in

66–71 cm26–28 in

10 Tall

170–178 cm5'7"–5'10"

59–66 kg130–145 lb

86–91 cm34–36 in

66–71 cm26–28 in

170–175 cm5'7"–5'9"

59–70 kg130–155 lb

91–97 cm36–38 in

71–76 cm28–30 in

12 Tall

173–180 cm5'8"–5'11"

64–75 kg140–165 lb

91–97 cm36–38 in

71–76 cm28–30 in

173–180 cm5'8"–5'11"

66–75 kg145–165 lb

97–102 cm38–40 in

74–79 cm29–31 in

175–183 cm5'9"–6'0"

70–79 kg155–175 lb

102–107 cm40–42 in

79–84 cm31–33 in

Aptus 1.0. The Made-to-Measure Wetsuit.

We believe the ocean demands fewer, better things.

Athlete testimonials

The anatomy of the Aptus 1.0.

Made for one. You.

Choose your fit.

Optional

Join the list for the next drop.

Direct Allocation

Concierge & Garment Care

Private Dispatches

Aptus 1.0. The Made-to-Measure Wetsuit.<img src="/wp-content/uploads/aptus-logo-white.svg" alt="" width="686" height="119" decoding="async" fetchpriority="high">

We believe the ocean demands fewer, better things.

Athlete testimonials

The anatomy of the Aptus 1.0.

Made for one. You.

Choose your fit.

Optional

Join the list for the next drop.

Direct Allocation

Concierge & Garment Care

Private Dispatches

Aptus 1.0. The Made-to-Measure Wetsuit.