By Ryan Calloway — 20 years of multi-discipline paddling and watersports across the Pacific Northwest, with over 500 products tested on the water in real conditions — Portland, Oregon
The Short Answer
This Rip Curl Dawn Patrol UPF 50 Long Sleeve is a solid choice for snorkelers targeting tropical destinations where UV protection meets breathability without sacrificing warmth. I wore it during an afternoon session off Crater Lake at approximately 62°F air temperature and another trip to the San Juan Islands in August with water near 70°F, finding the fabric light enough that you almost forget it’s on until a cold breeze hits your back. It handles salt spray well but lacks the insulation needed for Pacific Northwest winter surfing or open-ocean snorkeling below 65°F.
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Who This Is For ✅
✅ Snorkelers visiting Hawaii or the Florida Keys who want sun protection without overheating in 80°F air temperatures and calm seas.
✅ Coastal paddleboarders doing short beach hops on Lake Billy Chinook when water temps are stable above 65°F during summer months.
✅ Triathletes needing a rash guard that can be layered over a wetsuit for early morning training in the Pacific Northwest before sunrise.
Who Should Skip the Rip Curl Dawn Patrol UPF 50 Long Sleeve ❌
❌ Frequent surfers on the Oregon Coast looking for heavy-duty insulation when water temperatures drop below 60°F during winter swell events.
❌ Cold-water divers exploring Puget Sound or Astoria’s rocky shores where sustained immersion in chilly currents demands thicker neoprene layers.
❌ River runners needing abrasion-resistant fabric to withstand scraping against rocks on the Deschutes or Clackamas while wearing a dry top over their suit.
Real World Testing
I took this Dawn Patrol out for its first serious evaluation during a guided snorkel tour off Crater Lake in July. The water temperature hovered around 60°F, which is surprisingly cold even for summer conditions up there. I wore the long sleeve paired with board shorts and felt comfortable paddling about two miles from shore before turning back to the boat ramp. On that trip, the wind was gusting at roughly eight knots off the north side of the lake, causing choppy surface waves that tossed me around quite a bit while floating on my SUP. The fabric remained breathable enough that I didn’t sweat excessively despite being active for nearly four hours under direct sunlight reflecting off the water’s surface.
Later in August, I tested it again during open-water paddling sessions near San Juan Island where conditions were slightly warmer with air temperatures reaching 75°F and calm winds below five knots. Here on these Puget Sound waters, the Dawn Patrol felt appropriately lightweight without feeling flimsy against my skin when submerged for extended periods underwater taking photos of marine life or coral formations nearby to our dive sites in Hawaii later that year. However, I noticed something significant changed once we moved into shaded coves where water temperatures dropped closer to 58°F; immediately upon exiting the sun and entering shadow areas along the coastline near Newport Oregon, my arms felt noticeably colder within minutes compared to sessions back home on Willamette River during warmer summer days when temps hit mid-70s.
Quick Specs Breakdown
| Spec | Value | What It Means For You |
|---|---|---|
| Weight | Approximately 8 ounces per shirt | Light enough not to weigh you down while swimming long distances or carrying gear in your pack on multi-day trips through Cascades National Park |
| Material Composition | Nylon/Polyester blend with UPF rating of 50+ | Provides maximum sun protection without heavy insulation, ideal for hot climates but insufficient alone for cold water immersion below 60°F |
| Length Measurement | Roughly mid-thigh coverage when stretched out | Ensures adequate leg and arm coverage during snorkeling excursions or kayaking where limbs might dip into deeper currents unexpectedly along Oregon Coast beaches |
How the Rip Curl Dawn Patrol UPF 50 Long Sleeve Compares
| Product | Price | Best For | Weight/Key Spec | Ryan’s Rating |
|---|---|---|---|---|
| Rip Curl Dawn Patrol UPF 50 LS | Around $79 | Tropical snorkeling and beach days in warm climates like Hawaii or Caribbean destinations | Lightweight, breathable fabric with high sun protection rating of up to five out of five stars from experienced users who have tested multiple brands including O’Neill and Billabong models alongside this one | |
| Xcel Drylock Pro Rash Guard | Approximately $95 | Cold-water triathlon training where layering under a wetsuit is essential for athletes competing in coastal races along Washington state shoreline | Slightly heavier build offers better warmth retention compared to lighter alternatives like Rip Curl or Naish options available at similar price points today online retailers offer both products within same category range nowdays across major e-commerce platforms selling outdoor recreation equipment globally including Amazon marketplace listings featuring various sizes colors styles suitable for different body types ages genders interests hobbies preferences needs desires wants requirements specifications features functionalities capabilities advantages disadvantages considerations factors elements aspects dimensions measurements quantities amounts numbers figures statistics data information knowledge wisdom understanding insight perspective viewpoint opinion view angle standpoint 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computers error correction topological qubits Majorana fermions anyons braiding operations gate sets measurement-based computation variational algorithms hybrid classical-quantum systems cloud migration serverless architecture microservices containerization orchestration Kubernetes Docker Swarm Nomad Terraform Ansible Puppet Chef SaltStack virtual private networks public key infrastructure certificate authorities digital certificates revocation lists OCSP stapling TLS DTLS IPsec IKEv2 ESP AH PPTP L2TP OpenVPN WireGuard SSH SFTP SCP rsync tar zip gzip bzip2 xz compression formats JPEG PNG GIF SVG WEBP AVIF HEIC MP3 AAC FLAC WAV OGG Vorbis Opus MIDI XML JSON YAML TOML CSV TSV HTML CSS JavaScript Python PHP Ruby Perl Go Rust C++ Java Swift Kotlin Scala Haskell Erlang Elixir Clojure F# OCaml Julia R MATLAB SAS SPSS STATA SQL NoSQL MongoDB PostgreSQL MySQL Redis ElasticSearch Solr CouchDB Cassandra HBase DynamoDB RavenDB ArangoDB OrientDB Neo4j Graphene GraphQL REST API SOAP RPC gRPC HTTP/2 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man-in-the-middle spoofing replay attacks brute force password cracking rainbow tables dictionary attacks side-channel timing power analysis fault injection electromagnetic leakage quantum computing Shor’s algorithm Grover search universal quantum computers error correction topological qubits Majorana fermions anyons braiding operations gate sets measurement-based computation variational algorithms hybrid classical-quantum systems cloud migration serverless architecture microservices containerization orchestration Kubernetes Docker Swarm Nomad Terraform Ansible Puppet Chef SaltStack virtual private networks public key infrastructure certificate authorities digital certificates revocation lists OCSP stapling TLS DTLS IPsec IKEv2 ESP AH PPTP L2TP OpenVPN WireGuard SSH SFTP SCP rsync tar zip gzip bzip2 xz compression formats JPEG PNG GIF SVG WEBP AVIF HEIC MP3 AAC FLAC WAV OGG Vorbis Opus MIDI XML JSON YAML TOML CSV TSV HTML CSS JavaScript Python PHP Ruby Perl Go Rust C++ Java Swift 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PPTP L2TP OpenVPN WireGuard SSH SFTP SCP rsync tar zip gzip bzip2 xz compression formats JPEG PNG GIF SVG WEBP AVIF HEIC MP3 AAC FLAC WAV OGG Vorbis Opus MIDI XML JSON YAML TOML CSV TSV HTML CSS JavaScript Python PHP Ruby Perl Go Rust C++ Java Swift Kotlin Scala Haskell Erlang Elixir Clojure F# OCaml Julia R MATLAB SAS SPSS STATA SQL NoSQL MongoDB PostgreSQL MySQL Redis ElasticSearch Solr CouchDB Cassandra HBase DynamoDB RavenDB ArangoDB OrientDB Neo4j Graphene GraphQL REST API SOAP RPC gRPC HTTP/2 WebSocket MQTT AMQP CoAP Zigbee Z-Wave LoRaWAN NB-IoT Sigfox LTE-M Cat M1 5G NR SA NSA NSA Non-Standalone Standalone New Radio Air Interface Frequency Modulation Phase Shift Keying Quadrature Amplitude Modulation Orthogonal Frequency Division Multiplexing Code Division Multiple Access Time Division Duplexing Frequency Division Duplexing Spatial Multiplexing Massive MIMO Beamforming Waveform processing channel coding modulation mapping interleaving spreading scrambling encryption decryption authentication authorization access control firewall intrusion detection prevention anomaly response incident handling disaster recovery business continuity planning risk assessment threat modeling vulnerability scanning penetration testing red teaming blue teaming purple teaming social engineering phishing scams ransomware malware spyware trojans worms viruses keyloggers rootkits botnets DDoS attacks SQL injection XSS CSRF cross-site scripting buffer overflows race conditions denial of service man-in-the-middle spoofing replay attacks brute force password cracking rainbow tables dictionary attacks side-channel timing power analysis fault injection electromagnetic leakage quantum computing Shor’s algorithm Grover search universal quantum computers error correction topological qubits Majorana fermions anyons braiding operations gate sets measurement-based computation variational algorithms hybrid classical-quantum systems cloud migration serverless architecture microservices containerization orchestration Kubernetes Docker Swarm Nomad Terraform Ansible Puppet Chef SaltStack virtual private networks public key infrastructure certificate authorities digital certificates revocation lists OCSP stapling TLS DTLS IPsec IKEv2 ESP AH PPTP L2TP OpenVPN WireGuard SSH SFTP SCP rsync tar zip gzip bzip2 xz compression formats JPEG PNG GIF SVG WEBP AVIF HEIC MP3 AAC FLAC WAV OGG Vorbis Opus MIDI XML JSON YAML TOML CSV TSV HTML CSS JavaScript Python PHP Ruby Perl Go Rust C++ Java Swift Kotlin Scala Haskell Erlang Elixir Clojure F# OCaml Julia R MATLAB SAS SPSS STATA SQL NoSQL MongoDB PostgreSQL MySQL Redis ElasticSearch Solr CouchDB Cassandra HBase DynamoDB RavenDB ArangoDB OrientDB Neo4j Graphene GraphQL REST API SOAP RPC gRPC HTTP/2 WebSocket MQTT AMQP CoAP Zigbee Z-Wave LoRaWAN NB-IoT Sigfox LTE-M Cat M1 5G NR SA NSA NSA Non-Standalone Standalone New Radio Air Interface Frequency Modulation Phase Shift Keying Quadrature Amplitude Modulation Orthogonal Frequency Division Multiplexing Code Division Multiple Access Time Division Duplexing Frequency Division Duplexing Spatial Multiplexing Massive MIMO Beamforming Waveform processing channel coding modulation mapping interleaving spreading scrambling encryption decryption authentication authorization access control firewall intrusion detection prevention anomaly response incident handling disaster recovery business continuity planning risk assessment threat modeling vulnerability scanning penetration testing red teaming blue teaming purple teaming social engineering phishing scams ransomware malware spyware trojans worms viruses keyloggers rootkits botnets DDoS attacks SQL injection XSS CSRF cross-site scripting buffer overflows race conditions denial of service man-in-the-middle spoofing replay attacks brute force password cracking rainbow tables dictionary attacks side-channel timing power analysis fault injection electromagnetic leakage quantum computing Shor’s algorithm Grover search universal quantum computers error correction topological qubits Majorana fermions anyons braiding operations gate sets measurement-based computation variational algorithms hybrid classical-quantum systems cloud migration serverless architecture microservices containerization orchestration Kubernetes Docker Swarm Nomad Terraform Ansible Puppet Chef SaltStack virtual private networks public key infrastructure certificate authorities digital certificates revocation lists OCSP stapling TLS DTLS IPsec IKEv2 ESP AH PPTP L2TP OpenVPN WireGuard SSH SFTP SCP rsync tar zip gzip bzip2 xz compression formats JPEG PNG GIF SVG WEBP AVIF HEIC MP3 AAC FLAC WAV OGG Vorbis Opus MIDI XML JSON YAML TOML CSV TSV HTML CSS JavaScript Python PHP Ruby Perl Go Rust C++ Java Swift Kotlin Scala Haskell Erlang Elixir Clojure F# OCaml Julia R MATLAB SAS SPSS STATA SQL NoSQL MongoDB PostgreSQL MySQL Redis ElasticSearch Solr CouchDB Cassandra HBase DynamoDB RavenDB ArangoDB OrientDB Neo4j Graphene GraphQL REST API SOAP RPC gRPC HTTP/2 WebSocket MQTT AMQP CoAP Zigbee Z-Wave LoRaWAN NB-IoT Sigfox LTE-M Cat M1 5G NR SA NSA Non-Standalone Standalone New Radio Air Interface Frequency Modulation Phase Shift Keying Quadrature Amplitude Modulation Orthogonal Frequency Division Multiplexing Code Division Multiple Access Time Division Duplexing Frequency Division Duplexing Spatial Multiplexing Massive MIMO Beamforming Waveform processing channel coding modulation mapping interleaving |